Bump actions/upload-artifact from 4.2.0 to 4.3.0 (#2662)

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@694cdabd8bdb0f10b2cea11669e1bf5453eed0a6
+        uses: actions/upload-artifact@26f96dfa697d77e81fd5907df203aa23a56210a8
         with:
           name: test-results
           path: exercises/**/build/results.json