ci: pin playwright version to 1.54.1

Author: stee-re

package-lock.json

@@ -73,7 +73,7 @@
     "@web/rollup-plugin-import-meta-assets": "^2.3.2",
     "@web/test-runner": "0.20.2",
     "@web/test-runner-commands": "^0.9.0",
-    "@web/test-runner-playwright": "^0.11.1",
+    "@web/test-runner-playwright": "0.11.1",
     "concurrently": "^9.2.1",
     "eslint": "^9.31.0",
     "eslint-config-prettier": "^10.1.8",
@@ -95,6 +95,11 @@
     "typedoc": "^0.28.17",
     "typescript": "^5.9.3"
   },
+  "overrides": {
+    "@web/test-runner-playwright": {
+      "playwright": "1.54.1"
+    }
+  },
   "customElements": "custom-elements.json",
   "prettier": {
     "singleQuote": true,