chore(deps): update actions/checkout action to v4

.github/workflows/lint-and-test.yaml

@@ -7,7 +7,7 @@ jobs:
     name: Build Docker image
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
       - name: Build
@@ -22,7 +22,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
         with:
           fetch-depth: 0
       - name: Install helm/chart-testing
@@ -35,7 +35,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Install helm-unittest plugin
         run: helm plugin install https://github.com/helm-unittest/helm-unittest
       - name: Run unit tests
@@ -59,7 +59,7 @@ jobs:
       - chart-unittest
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2

.github/workflows/publish-charts.yaml

@@ -13,7 +13,7 @@ jobs:
     name: Publish chart to OCI registry
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Helm login
         run: |
           echo "${{ secrets.GITHUB_TOKEN }}" | \

.github/workflows/publish-image.yaml

@@ -9,7 +9,7 @@ jobs:
     name: Build and push image
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Extract PowerDNS version
         id: version
         run: |