Update GitHub Actions cache action from v2 to v3 for UI tests workflow

Author: eug-L

.github/workflows/ui-tests.yml

@@ -19,7 +19,7 @@ jobs:
           ref: ${{ github.event.workflow_run.head_sha }}
 
       - name: cached dependencies
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         id: cached-dependencies
         with:
           path: |