Use upload-artifact v3 for now.

v4 doesnt support multiple artifacts with the same name

Author: iziamos

.github/workflows/gradle-build.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Build with Gradle
         run: ./gradlew build
       - name: Archive artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: libs-and-reports
           path: |

.github/workflows/jcstress-manual.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Build with Gradle
         run: ./gradlew jcstress -Pmode="${{ github.event.inputs.mode }}"
       - name: Archive artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: jcstress-report-manual
           path: build/reports/jcstress

.github/workflows/jcstress-quick.yml

@@ -21,7 +21,7 @@ jobs:
       - name: Build with Gradle
         run: ./gradlew jcstress -Pmode=quick
       - name: Archive artifacts
-        uses: actions/upload-artifact@v4
+        uses: actions/upload-artifact@v3
         with:
           name: jcstress-report-quick
           path: build/reports/jcstress