build: update action versions (#401)

Author: volodymyr-chekyrta

.github/workflows/unit_tests.yml

@@ -42,7 +42,7 @@ jobs:
         run: ./gradlew testProdDebugUnitTest $CI_GRADLE_ARG_PROPERTIES
 
       - name: Upload reports
-        uses: actions/upload-artifact@v3
+        uses: actions/upload-artifact@v4
         if: failure()
         with:
           name: failures