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/build.yml

@@ -41,7 +41,7 @@ jobs:
 
       # Check out the current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Set up the Java environment for the next steps
       - name: Setup Java
@@ -92,7 +92,7 @@ jobs:
 
       # Check out the current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Set up the Java environment for the next steps
       - name: Setup Java
@@ -146,7 +146,7 @@ jobs:
 
       # Check out the current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.pull_request.head.sha }} # to check out the actual pull request commit, not the merge commit
           fetch-depth: 0 # a full history is required for pull request analysis
@@ -180,7 +180,7 @@ jobs:
 
       # Check out the current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Set up the Java environment for the next steps
       - name: Setup Java
@@ -220,7 +220,7 @@ jobs:
 
       # Check out the current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Remove old release drafts by using the curl request for the available releases with a draft flag
       - name: Remove Old Release Drafts

.github/workflows/release.yml

@@ -27,7 +27,7 @@ jobs:
 
       # Check out the current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
         with:
           ref: ${{ github.event.release.tag_name }}
 

.github/workflows/run-ui-tests.yml

@@ -33,7 +33,7 @@ jobs:
 
       # Check out the current repository
       - name: Fetch Sources
-        uses: actions/checkout@v5
+        uses: actions/checkout@v6
 
       # Set up the Java environment for the next steps
       - name: Setup Java