Bump actions/checkout from 4.1.7 to 4.2.0 (#493)

Bumps [actions/checkout](https://github.com/actions/checkout) from 4.1.7 to 4.2.0.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v4.1.7...v4.2.0)

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

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

.github/workflows/dockerimage.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4.1.7
+    - uses: actions/checkout@v4.2.0
 
     - name: Build the Docker image
       env:

.github/workflows/push-to-ghcr.yml

@@ -16,7 +16,7 @@ jobs:
     runs-on: "ubuntu-20.04"
 
     steps:
-      - uses: actions/checkout@v4.1.7
+      - uses: actions/checkout@v4.2.0
 
       - name: Build and publish a Docker image for ${{ github.repository }}
         uses: macbre/push-to-ghcr@master

.github/workflows/python-publish.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v4.1.7
+    - uses: actions/checkout@v4.2.0
     - name: Set up Python
       uses: actions/setup-python@v5
       with:

.github/workflows/python.yml

@@ -37,7 +37,7 @@ jobs:
             options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
 
     steps:
-    - uses: actions/checkout@v4.1.7
+    - uses: actions/checkout@v4.2.0
     - name: Set up Python
       uses: actions/setup-python@v5
       with:

.github/workflows/tests.yml

@@ -43,7 +43,7 @@ jobs:
             options: --health-cmd="mysqladmin ping" --health-interval=10s --health-timeout=5s --health-retries=3
 
     steps:
-    - uses: actions/checkout@v4.1.7
+    - uses: actions/checkout@v4.2.0
     - name: Set up Python
       uses: actions/setup-python@v5
       with: