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-jlink-plugin.yml

@@ -52,7 +52,7 @@ jobs:
           ./publish.sh
           rm -f ~/.git-credentials
 
-      - uses: actions/upload-artifact@v5
+      - uses: actions/upload-artifact@v6
         if: runner.os == 'Linux'
         with:
           path: build/libs/*