Bump the github-action group with 2 updates

Bumps the github-action group with 2 updates: [actions/upload-artifact](https://github.com/actions/upload-artifact) and [actions/download-artifact](https://github.com/actions/download-artifact).


Updates `actions/upload-artifact` from 4 to 5
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@v4...v5)

Updates `actions/download-artifact` from 5 to 6
- [Release notes](https://github.com/actions/download-artifact/releases)
- [Commits](actions/download-artifact@v5...v6)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-action
- dependency-name: actions/download-artifact
  dependency-version: '6'
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: github-action
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/compile-test.yml

@@ -28,13 +28,13 @@ jobs:
           cat ./studymanager/target/generated-sources/license/THIRD-PARTY.txt
       - name: Upload Test Results
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: Test Results
           path: "**/TEST-*.xml"
       - name: Upload Licenses List
         if: always()
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: Licenses List
           path: "./studymanager/target/generated-sources/license/THIRD-PARTY.txt"
@@ -93,7 +93,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Upload
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v5
         with:
           name: Event File
           path: ${{ github.event_path }}

.github/workflows/test-results.yaml

@@ -30,7 +30,7 @@ jobs:
 
     steps:
       - name: Download and Extract Artifacts
-        uses: actions/download-artifact@v5
+        uses: actions/download-artifact@v6
         with:
           path: artifacts
           github-token: ${{secrets.GITHUB_TOKEN}}