Combine notifications and update to new webhook.

.github/workflows/webhook.yml

@@ -0,0 +1,74 @@
+name: Submission Webhook
+
+on:
+  pull_request_target:
+    types: [opened, reopened]
+  issues:
+    types: [opened, reopened]
+
+jobs:
+  webhook:
+    runs-on: ubuntu-latest
+    if: github.event.repository.fork == false
+    env:
+      KIND: ${{ github.event_name == 'issues' && 'issue' || 'PR' }}
+      EMOJI: ${{ github.event_name == 'issues' && ':speech_balloon:' || ':inbox_tray:' }}
+
+    steps:
+      - name: Harden runner
+        uses: portswigger-tim/safer-runner-action@b2208f653b6bf422e08501155f4df82bad008184 # v1.2.2
+        with:
+          mode: enforce
+          allowed-domains: 'hooks.slack.com'
+          disable-sudo: 'true'
+          disable-docker: 'true'
+          block-risky-github-subdomains: 'true'
+
+      - name: Sanitize inputs
+        id: sanitize
+        uses: PortSwigger/shared-workflows/sanitize-inputs@ff879d3c7b4476af5ed83d7d81438c7258217644 # v1.0.0
+        with:
+          type: bcheck
+          title: ${{ github.event.pull_request.title || github.event.issue.title }}
+          author: ${{ github.event.pull_request.user.login || github.event.issue.user.login }}
+          url: ${{ github.event.pull_request.html_url || github.event.issue.html_url }}
+
+      - name: Post to webhook
+        if: steps.sanitize.outputs.error_message == ''
+        uses: fjogeleit/http-request-action@551353b829c3646756b2ec2b3694f819d7957495 # v2.0.0
+        with:
+          url: ${{ secrets.WEBHOOK_URL }}
+          method: POST
+          contentType: application/json
+          data: |
+            {
+              "text": "New BCheck ${{ env.KIND }} from ${{ steps.sanitize.outputs.author }}",
+              "blocks": [
+                {
+                  "type": "header",
+                  "text": { "type": "plain_text", "text": "${{ env.EMOJI }} New BCheck ${{ env.KIND }}", "emoji": true }
+                },
+                {
+                  "type": "section",
+                  "text": { "type": "mrkdwn", "text": "*<${{ steps.sanitize.outputs.url }}|${{ steps.sanitize.outputs.title }}>*" }
+                },
+                {
+                  "type": "context",
+                  "elements": [
+                    { "type": "image", "image_url": "https://github.com/${{ steps.sanitize.outputs.author }}.png", "alt_text": "avatar" },
+                    { "type": "mrkdwn", "text": "Opened by *${{ steps.sanitize.outputs.author }}*" }
+                  ]
+                },
+                {
+                  "type": "actions",
+                  "elements": [
+                    {
+                      "type": "button",
+                      "text": { "type": "plain_text", "text": "Review ${{ env.KIND }}", "emoji": true },
+                      "style": "primary",
+                      "url": "${{ steps.sanitize.outputs.url }}"
+                    }
+                  ]
+                }
+              ]
+            }