Bump actions/checkout from 6 to 7 (#437)

Bumps [actions/checkout](https://github.com/actions/checkout) from 6 to 7.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v6...v7)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '7'
  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>

Author: dependabot[bot]

.github/workflows/cdm-integrationtest.yml

@@ -18,7 +18,7 @@ jobs:
         os: [ ubuntu-latest ]
     runs-on: ${{ matrix.os }}
     steps:
-      - uses: actions/checkout@v6
+      - uses: actions/checkout@v7
       - name: Set up JDK
         uses: actions/setup-java@v5
         with:

.github/workflows/docker-publish.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out source code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       # Setup metadata based on the commit/tag that will be used for tagging the image
       - name: Setup Docker meta
         id: meta

.github/workflows/docker-push-sha-commit.yml

@@ -8,7 +8,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out source code
-        uses: actions/checkout@v6
+        uses: actions/checkout@v7
       # Setup metadata based on the commit/tag that will be used for tagging the image
       # Only build and publish a commit based tag
       - name: Setup Docker meta

.github/workflows/maven-publish.yml

@@ -17,7 +17,7 @@ jobs:
       packages: write
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Set up JDK
       uses: actions/setup-java@v5
       with:

.github/workflows/maven.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@v7
     - name: Set up JDK
       uses: actions/setup-java@v5
       with: