chore(deps): update actions/checkout action to v7

Author: renovate[bot]

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up Python
         uses: actions/setup-python@v6
         with:
@@ -34,7 +34,7 @@ jobs:
     name: Filesystem scan
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Trivy scan
         uses: aquasecurity/trivy-action@v0.36.0
         with:
@@ -50,7 +50,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       - name: Set up Python
         uses: actions/setup-python@v6
         with:

.github/workflows/nightly-stack-sync.yml

@@ -23,7 +23,7 @@ jobs:
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
 
       - name: Checkout dev branch
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           ref: dev
           fetch-depth: 0

.github/workflows/renovate-stack-sync.yml

@@ -21,7 +21,7 @@ jobs:
           private-key: ${{ secrets.APP_PRIVATE_KEY }}
 
       - name: Checkout Renovate branch
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
         with:
           ref: ${{ github.event.pull_request.head.ref }}
           fetch-depth: 0