Bump actions/upload-artifact from 4.1.0 to 4.2.0 (#2654)

Author: dependabot[bot]

.github/workflows/test.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Test all exercises using java-test-runner
         run: bin/test-with-test-runner
       - name: Archive test results
-        uses: actions/upload-artifact@1eb3cb2b3e0f29609092a73eb033bb759a334595
+        uses: actions/upload-artifact@694cdabd8bdb0f10b2cea11669e1bf5453eed0a6
         with:
           name: test-results
           path: exercises/**/build/results.json