Bump actions/checkout from 3 to 4 (#357)

Bumps [actions/checkout](https://github.com/actions/checkout) from 3 to 4.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v3...v4)

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci_cd.yml

@@ -65,7 +65,7 @@ jobs:
           token: ${{ secrets.GITHUB_TOKEN }}
           doc-artifact-name: Documentation-html
 
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3.9
         uses: actions/setup-python@v4

.github/workflows/dependabot_approve.yml

@@ -11,7 +11,7 @@ jobs:
       - name: Dependabot metadata
         id: dependabot-metadata
         uses: dependabot/fetch-metadata@v1.6.0
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Approve a PR if not already approved
         run: |
           gh pr checkout "$PR_URL" # sets the upstream metadata for `gh pr status`

.github/workflows/local_checks.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ env.MAIN_PYTHON_VERSION }}
         uses: actions/setup-python@v4
@@ -44,7 +44,7 @@ jobs:
       matrix:
         python-version: [ '3.8', '3.9', '3.10', '3.11' ]
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Install kerberos headers
         run: sudo apt install libkrb5-dev
@@ -71,7 +71,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ env.MAIN_PYTHON_VERSION }}
         uses: actions/setup-python@v4
@@ -100,7 +100,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python ${{ env.MAIN_PYTHON_VERSION }}
         uses: actions/setup-python@v4

.github/workflows/server_checks.yml

@@ -33,7 +33,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Start VM with Azure CLI
         id: azure_cli
@@ -64,7 +64,7 @@ jobs:
         os: [ubuntu-latest, windows-latest]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3.9
         uses: actions/setup-python@v4
@@ -93,7 +93,7 @@ jobs:
     needs: integration_tests
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
 
       - name: Set up Python 3.9
         uses: actions/setup-python@v4