build(deps): bump actions/upload-artifact from 5 to 6

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

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

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

Author: dependabot[bot]

.github/workflows/build.yaml

@@ -43,7 +43,7 @@ jobs:
         with:
           path: kernelf-angular-demo/dist/kernelf-angular-demo
       - name: Archive test report
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: test-report

.github/workflows/mps-compatibility.yaml

@@ -45,7 +45,7 @@ jobs:
           -Pgpr.token=${{ secrets.GITHUB_TOKEN }}
           -Pmps.version.major=${{ matrix.version }}
       - name: Archive test report
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         if: always()
         with:
           name: test-report-${{ matrix.version }}