Revert to electron 13

electron 14 has chrome 93 which isn't going to work with jitsi

package.json

@@ -57,7 +57,7 @@
     "allchange": "^1.0.2",
     "asar": "^2.0.1",
     "chokidar": "^3.5.2",
-    "electron": "^14.0.1",
+    "electron": "13",
     "electron-builder": "22.11.4",
     "electron-builder-squirrel-windows": "22.11.4",
     "electron-devtools-installer": "^3.1.1",
@@ -83,7 +83,7 @@
   },
   "build": {
     "appId": "im.riot.app",
-    "electronVersion": "14.0.1",
+    "electronVersion": "13.4.0",
     "files": [
       "package.json",
       {