fix(connectors): recategorize Google and Outlook connectors as email

Both are composite connectors covering email and calendar (Google also
covers tasks and contacts) under a single connection. Their `category`
metadata still said `messaging` from before they were consolidated,
which grouped them with chat-only connectors like Slack anywhere a
connector-picker UI sections by category. `email` better describes
their primary purpose.

Author: KrisBraun

connectors/google/package.json

@@ -3,7 +3,7 @@
   "plotTwistId": "6e9e441f-aeee-4142-a37b-62cfe79ac16d",
   "displayName": "Gmail & Calendar",
   "description": "Email, calendar, tasks, and contacts from your Google account.",
-  "category": "messaging",
+  "category": "email",
   "logoUrl": "https://api.iconify.design/logos/google-icon.svg",
   "publisher": "Plot",
   "publisherUrl": "https://plot.day",

connectors/outlook/package.json

@@ -3,7 +3,7 @@
   "plotTwistId": "019efc35-1807-7928-b58e-4994539a39cc",
   "displayName": "Outlook",
   "description": "Email, calendar, and contacts from your Outlook account.",
-  "category": "messaging",
+  "category": "email",
   "logoUrl": "https://api.iconify.design/simple-icons/microsoftoutlook.svg?color=%230078D4",
   "publisher": "Plot",
   "publisherUrl": "https://plot.day",