Update dependency electron to v12

Author: renovate-bot

electron/package-lock.json

@@ -11,7 +11,7 @@
     "electron-is-dev": "^2.0.0"
   },
   "devDependencies": {
-    "electron": "11.2.3"
+    "electron": "12.0.0"
   },
   "keywords": [
     "capacitor",