pin playright-mobile job to ubuntu-22.04 for webkit deps

Author: KrupaPammi

.github/workflows/main.yml

@@ -54,7 +54,7 @@ jobs:
   playwright-mobile:
     name: Playwright Mobile test
     timeout-minutes: 30
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04
     steps:
       - name: Checkout
         uses: actions/checkout@v3