H-5508: Add group for @react-three npm packages (#22)

Author: vilkinsons

renovate-config.json

@@ -190,6 +190,11 @@
       "matchManagers": ["npm"],
       "matchPackageNames": ["/^@graphql//", "/^graphql-/", "/graphql$/"]
     },
+    {
+      "groupName": "`@react-three` npm packages",
+      "matchManagers": ["npm"],
+      "matchPackageNames": ["/^@react-three//"]
+    },
     {
       "description": "Exclude `tldraw` from updates due to non-OSS license in later releases",
       "matchManagers": ["npm"],