ci: Update actions/checkout to v4 in workflow files

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

@@ -14,7 +14,7 @@ jobs:
 
     steps:
       - id: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - id: dockerx
         name: Setup Docker Buildx

.github/workflows/code_coverage.yaml

@@ -15,7 +15,7 @@ jobs:
 
     steps:
       - id: checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - id: dockerx
         name: Setup Docker Buildx
@@ -41,7 +41,6 @@ jobs:
           docker cp test_container:/app/coverage.xml coverage.xml
           docker rm test_container
 
-
       - name: Validate coverage report
         run: |
           if [ ! -f coverage.xml ]; then

.github/workflows/e2e_tests.yaml

@@ -11,7 +11,7 @@ jobs:
     name: PR-Agent E2E GitHub App Test
     steps:
       - name: Checkout repository
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
 
       - name: Setup Docker Buildx
         uses: docker/setup-buildx-action@v2
@@ -32,14 +32,13 @@ jobs:
       - id: test1
         name: E2E test github app
         run: |
-           docker run -e GITHUB.USER_TOKEN=${{ secrets.TOKEN_GITHUB }} --rm codiumai/pr-agent:test pytest -v tests/e2e_tests/test_github_app.py
+          docker run -e GITHUB.USER_TOKEN=${{ secrets.TOKEN_GITHUB }} --rm codiumai/pr-agent:test pytest -v tests/e2e_tests/test_github_app.py
 
       - id: test2
         name: E2E gitlab webhook
         run: |
           docker run -e gitlab.PERSONAL_ACCESS_TOKEN=${{ secrets.TOKEN_GITLAB }} --rm codiumai/pr-agent:test pytest -v tests/e2e_tests/test_gitlab_webhook.py
 
-
       - id: test3
         name: E2E bitbucket app
         run: |

.github/workflows/pre-commit.yml

@@ -11,7 +11,7 @@ jobs:
   pre-commit:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
       # SEE https://github.com/pre-commit/action
       - uses: pre-commit/action@v3.0.1