chore: add playwright-core dep to fix CI build

Author: brandyscarney

core/package.json

@@ -46,6 +46,7 @@
     "@ionic/eslint-config": "^0.3.0",
     "@ionic/prettier-config": "^2.0.0",
     "@playwright/test": "^1.56.1",
+    "playwright-core": "^1.56.1",
     "@rollup/plugin-node-resolve": "^8.4.0",
     "@rollup/plugin-virtual": "^2.0.3",
     "@stencil/angular-output-target": "^0.10.0",