Merge pull request #92 from Tribler/fix/ci-upload

Update `upload-artifact` to v4

Author: InvictusRMC

.github/workflows/build.yml

@@ -29,7 +29,7 @@ jobs:
         run: ./gradlew jacocoTestReport
 
       - name: Upload Report
-        uses: 'actions/upload-artifact@v2'
+        uses: 'actions/upload-artifact@v4'
         with:
           name: report.xml
           path: ${{ github.workspace }}/ipv8/build/reports/jacoco/test/jacocoTestReport.xml