chore(deps): bump actions/checkout from 5 to 6

Bumps [actions/checkout](https://github.com/actions/checkout) from 5 to 6.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v5...v6)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/codeql.yml

@@ -55,7 +55,7 @@ jobs:
         # your codebase is analyzed, see https://docs.github.com/en/code-security/code-scanning/creating-an-advanced-setup-for-code-scanning/codeql-code-scanning-for-compiled-languages
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v5
+      uses: actions/checkout@v6
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/main-build-and-deploy-oss.yml

@@ -15,7 +15,7 @@ jobs:
   #  timeout-minutes: 15
   #  steps:
   #    - name: Checkout
-  #      uses: actions/checkout@v5
+  #      uses: actions/checkout@v6
   #    - name: Scan With Black Duck
   #      uses: ./.github/actions/scan-with-blackduck
   #      with:
@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           token: ${{ secrets.GH_TOKEN }}
       - name: Update version

.github/workflows/main-build.yml

@@ -17,7 +17,7 @@ jobs:
         java-version: [ 17, 21 ]
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Build
         uses: ./.github/actions/build
@@ -40,7 +40,7 @@ jobs:
   #   timeout-minutes: 15
   #   steps:
   #     - name: Checkout
-  #       uses: actions/checkout@v5
+  #       uses: actions/checkout@v6
   #     - name: Scan
   #      uses: ./.github/actions/scan-with-blackduck
   #      with:
@@ -54,7 +54,7 @@ jobs:
     needs: [build] # [build, scan]
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Set up Java ${{ env.JAVA_VERSION }}
         uses: actions/setup-java@v5

.github/workflows/pull-request-build.yml

@@ -18,7 +18,7 @@ jobs:
 
     steps:
       - name: Checkout
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       - name: Build
         uses: ./.github/actions/build