Grouped together @tryghost packages

- we're doing this to reduce the repo PR noise when a separate monorepo
  get published
- you can still update your dependency with yarn, and then this rollup
  PR will be occasionally merged

package.json

@@ -61,6 +61,12 @@
       "ghost/admin/lib/koenig-editor/package.json"
     ],
     "packageRules": [
+      {
+        "packagePatterns": [
+          "@tryghost"
+        ],
+        "groupName": "@tryghost"
+      },
       {
         "packagePatterns": [
           "metascraper"