Bump actions/checkout from 4 to 6 (#289)

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/pr.yml

@@ -8,7 +8,7 @@ jobs:
 
     steps:
       - name: Checking out git
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
       - name: Setting up node
         uses: actions/setup-node@v4
         with:

.github/workflows/production.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checking out git
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: production
           fetch-depth: 0

.github/workflows/staging.yml

@@ -10,7 +10,7 @@ jobs:
 
     steps:
       - name: Checking out git
-        uses: actions/checkout@v4
+        uses: actions/checkout@v6
         with:
           ref: staging
           fetch-depth: 0