Update actions/checkout action to v6

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

.github/workflows/dependency_review.yml

@@ -11,7 +11,7 @@ jobs:
   dependency-review:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v4
+      - uses: actions/checkout@v6
       - name: 'Dependency Review'
         uses: actions/dependency-review-action@v4
         with:

.github/workflows/open_api_spec.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Spec validation with OpenAPIv3 (docs/v3/openapi.json)
       run: docker run --rm -v ${PWD}/docs:/docs:Z openapitools/openapi-generator-cli:v6.0.1 validate -i /docs/v3/openapi.json
 
@@ -23,7 +23,7 @@ jobs:
     needs: [spec_validation]
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Generate Python client with OpenAPIv3 (docs/v3/openapi.json)
       run: docker run --rm -v ${PWD}/docs/v3:/local:Z openapitools/openapi-generator-cli:v6.0.1 generate -i /local/openapi.json -g python -o /local/client
     - uses: actions/upload-artifact@v4

.github/workflows/semantic-release.yml

@@ -15,7 +15,7 @@ jobs:
       with:
         app-id: ${{ secrets.SEMANTIC_RELEASE_APP_ID }}
         private-key: ${{ secrets.SEMANTIC_RELEASE_PK }}
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
       with:
         token: "${{ steps.app-token.outputs.token }}"
     - name: increment version, commit, push

.github/workflows/unittests.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4
+    - uses: actions/checkout@v6
     - name: Run unit tests
       run: docker compose -f docker-compose.test.yml up --build --exit-code-from test
     - uses: codecov/codecov-action@v4