Bump actions/upload-artifact from 4.3.6 to 4.4.3 (#2850)

Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 4.3.6 to 4.4.3.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](actions/upload-artifact@834a144...b4b15b8)

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

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

Author: dependabot[bot]

.github/workflows/java.yml

@@ -47,7 +47,7 @@ jobs:
       - name: Test all exercises using java-test-runner
         run: bin/test-with-test-runner
       - name: Archive test results
-        uses: actions/upload-artifact@834a144ee995460fba8ed112a2fc961b36a5ec5a
+        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882
         with:
           name: test-results
           path: exercises/**/build/results.json