Fix issue with Actions v4

.github/workflows/test-report.yml

@@ -15,11 +15,25 @@ jobs:
 
     steps:
 
-      - name: Test Report
+      # We have to clone the repo as the test-reporter otherwise runs into an error.
+      # See https://github.com/dorny/test-reporter/issues/131#issuecomment-2093880211
+      - name: Fetch Sources
+        uses: actions/checkout@v4
+
+      # We have to manually download the artifact because dorny/test-reporter@v1
+      # does not support artifacts uploaded by actions/upload-artifact@v4.
+      # See https://github.com/dorny/test-reporter/issues/343
+      - name: Download Test Reports
+        uses: actions/download-artifact@v4
+        with:
+          pattern: test-results-*
+          run-id: ${{ github.event.workflow_run.id }}
+          github-token: ${{ github.token }}
+
+      - name: Publish Test Reports as Annotations
         uses: dorny/test-reporter@v1
         with:
-          artifact: /test-results-([^-]*)-(.*)/
-          name: "Unit Tests Report: Gradle $1 @ $2"
-          path: "test-results/*/TEST-*.xml"
+          name: "Unit Tests Report"
+          path: "test-results-*/test-results/*/TEST-*.xml"
           reporter: java-junit
           fail-on-empty: false