diff --git a/.github/workflows/issue-regression-labeler.yml b/.github/workflows/issue-regression-labeler.yml
index adecdbc6283..000d1076631 100644
--- a/.github/workflows/issue-regression-labeler.yml
+++ b/.github/workflows/issue-regression-labeler.yml
@@ -9,24 +9,29 @@ jobs:
     permissions:
       issues: write
     steps:
-      - name: Fetch template body
-        id: check_regression
-        uses: actions/github-script@v7
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-          TEMPLATE_BODY: ${{ github.event.issue.body }}
+      - name: Check and manage regression label
+        uses: actions/github-script@v9
         with:
           script: |
+            const body = context.payload.issue.body || '';
             const regressionPattern = /\[x\] Select this option if this issue appears to be a regression\./i;
-            const template = `${process.env.TEMPLATE_BODY}`
-            const match = regressionPattern.test(template);
-            core.setOutput('is_regression', match);
-      - name: Manage regression label
-        env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
-        run: |
-          if [ "${{ steps.check_regression.outputs.is_regression }}" == "true" ]; then
-            gh issue edit ${{ github.event.issue.number }} --add-label "potential-regression" -R ${{ github.repository }}
-          else
-            gh issue edit ${{ github.event.issue.number }} --remove-label "potential-regression" -R ${{ github.repository }}
-          fi
\ No newline at end of file
+            const isRegression = regressionPattern.test(body);
+            const issueNumber = context.payload.issue.number;
+
+            if (isRegression) {
+              await github.rest.issues.addLabels({
+                ...context.repo,
+                issue_number: issueNumber,
+                labels: ['potential-regression'],
+              });
+            } else {
+              try {
+                await github.rest.issues.removeLabel({
+                  ...context.repo,
+                  issue_number: issueNumber,
+                  name: 'potential-regression',
+                });
+              } catch (e) {
+                if (e.status !== 404) throw e;
+              }
+            }
diff --git a/.github/workflows/slack.yml b/.github/workflows/slack.yml
index f0a8287c6d3..f912fe304b6 100644
--- a/.github/workflows/slack.yml
+++ b/.github/workflows/slack.yml
@@ -19,53 +19,81 @@ jobs:
     if: github.event_name == 'issues' && github.event.action == 'opened'
     steps:
       - name: notify
+        uses: actions/github-script@v9
         env:
-          ISSUE_TITLE: ${{ github.event.issue.title }}
-        run: |
-          curl \
-            -X POST \
-            -H 'Content-Type: application/json' \
-            -d '{"type": "issues_opened", "id": "${{ github.event.issue.number }}", "title": "'"$ISSUE_TITLE"'"}' \
-            ${{ secrets.CI_SLACK_WEBHOOK_URL }}
+          WEBHOOK_URL: ${{ secrets.CI_SLACK_WEBHOOK_URL }}
+        with:
+          script: |
+            const resp = await fetch(process.env.WEBHOOK_URL, {
+              method: 'POST',
+              headers: { 'Content-Type': 'application/json' },
+              body: JSON.stringify({
+                type: 'issues_opened',
+                id: String(context.payload.issue.number),
+                title: context.payload.issue.title,
+              }),
+            });
+            if (!resp.ok) core.setFailed(`Slack webhook returned ${resp.status}`);
 
   on-issue-closed:
     runs-on: ubuntu-latest
     if: github.event_name == 'issues' && github.event.action == 'closed'
     steps:
       - name: notify
+        uses: actions/github-script@v9
         env:
-          ISSUE_TITLE: ${{ github.event.issue.title }}
-        run: |
-          curl \
-            -X POST \
-            -H 'Content-Type: application/json' \
-            -d '{"type": "issues_closed", "id": "${{ github.event.issue.number }}", "title": "'"$ISSUE_TITLE"'"}' \
-            ${{ secrets.CI_SLACK_WEBHOOK_URL }}
+          WEBHOOK_URL: ${{ secrets.CI_SLACK_WEBHOOK_URL }}
+        with:
+          script: |
+            const resp = await fetch(process.env.WEBHOOK_URL, {
+              method: 'POST',
+              headers: { 'Content-Type': 'application/json' },
+              body: JSON.stringify({
+                type: 'issues_closed',
+                id: String(context.payload.issue.number),
+                title: context.payload.issue.title,
+              }),
+            });
+            if (!resp.ok) core.setFailed(`Slack webhook returned ${resp.status}`);
 
   on-pr-opened:
     runs-on: ubuntu-latest
     if: github.event_name == 'pull_request' && github.event.action == 'opened'
     steps:
       - name: notify
+        uses: actions/github-script@v9
         env:
-          PR_TITLE: ${{ github.event.pull_request.title }}
-        run: |
-          curl \
-            -X POST \
-            -H 'Content-Type: application/json' \
-            -d '{"type": "pullrequest_opened", "id": "${{ github.event.pull_request.number }}", "title": "'"$PR_TITLE"'"}' \
-            ${{ secrets.CI_SLACK_WEBHOOK_URL }}
+          WEBHOOK_URL: ${{ secrets.CI_SLACK_WEBHOOK_URL }}
+        with:
+          script: |
+            const resp = await fetch(process.env.WEBHOOK_URL, {
+              method: 'POST',
+              headers: { 'Content-Type': 'application/json' },
+              body: JSON.stringify({
+                type: 'pullrequest_opened',
+                id: String(context.payload.pull_request.number),
+                title: context.payload.pull_request.title,
+              }),
+            });
+            if (!resp.ok) core.setFailed(`Slack webhook returned ${resp.status}`);
 
   on-pr-closed:
     runs-on: ubuntu-latest
     if: github.event_name == 'pull_request' && github.event.action == 'closed'
     steps:
       - name: notify
+        uses: actions/github-script@v9
         env:
-          PR_TITLE: ${{ github.event.pull_request.title }}
-        run: |
-          curl \
-            -X POST \
-            -H 'Content-Type: application/json' \
-            -d '{"type": "pullrequest_closed", "id": "${{ github.event.pull_request.number }}", "title": "'"$PR_TITLE"'"}' \
-            ${{ secrets.CI_SLACK_WEBHOOK_URL }}
+          WEBHOOK_URL: ${{ secrets.CI_SLACK_WEBHOOK_URL }}
+        with:
+          script: |
+            const resp = await fetch(process.env.WEBHOOK_URL, {
+              method: 'POST',
+              headers: { 'Content-Type': 'application/json' },
+              body: JSON.stringify({
+                type: 'pullrequest_closed',
+                id: String(context.payload.pull_request.number),
+                title: context.payload.pull_request.title,
+              }),
+            });
+            if (!resp.ok) core.setFailed(`Slack webhook returned ${resp.status}`);