Bump actions/checkout from 2 to 4

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/code-analysis.yml

@@ -38,7 +38,7 @@ jobs:
 
  steps:
  - name: Checkout repository
- uses: actions/checkout@v3
+ uses: actions/checkout@v4
 
  # Initializes the CodeQL tools for scanning.
  - name: Initialize CodeQL

.github/workflows/pre-commit.yml

@@ -6,7 +6,7 @@ jobs:
  pre-commit:
  runs-on: ubuntu-22.04
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v4
  - uses: actions/setup-python@v2
  - name: Get python version
  run: echo "PY=$(python -VV | sha256sum | cut -d' ' -f1)" >> $GITHUB_ENV

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
  runs-on: ubuntu-latest
  name: Detect unreleased dependencies
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v4
  - run: |
  for reqfile in requirements.txt test-requirements.txt ; do
  if [ -f ${reqfile} ] ; then
@@ -53,7 +53,7 @@ jobs:
  ports:
  - 5432:5432
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v4
  with:
  persist-credentials: false
  - name: Install addons and dependencies