Bump actions/checkout from 5 to 6 (#1979)

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -87,7 +87,7 @@ jobs:
 
 
     - name: Git Checkout
-      uses: actions/checkout@v5  # https://github.com/actions/checkout
+      uses: actions/checkout@v6  # https://github.com/actions/checkout
       with:
         fetch-depth: 0  # required to prevent tycho-p2-extras-plugin:compare-version-with-baseline potentially failing the build
 

.github/workflows/codeql.yml

@@ -76,7 +76,7 @@ jobs:
 
 
     - name: Git Checkout
-      uses: actions/checkout@v5  # https://github.com/actions/checkout
+      uses: actions/checkout@v6  # https://github.com/actions/checkout
 
 
     # CodeQL executes https://github.com/ferstl/depgraph-maven-plugin

.github/workflows/licensecheck.yml

@@ -28,7 +28,7 @@ jobs:
     # Run on all non-comment events specified by the calling workflow and for comments on PRs that have a corresponding body.
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       if: github.event_name == 'push' || github.event_name == 'pull_request'   
     - uses: actions/github-script@v8
       if: github.event_name == 'issue_comment' 
@@ -47,7 +47,7 @@ jobs:
           } catch (err) {
             core.setFailed(`Request failed with error ${err}`)
           }
-    - uses: actions/checkout@v5
+    - uses: actions/checkout@v6
       if: github.event_name == 'issue_comment' 
       with:
         repository: ${{ fromJSON(steps.get-pr.outputs.result).head.repo.full_name }}