DEV: Tweak uppy dependency config (#29436)

- Remove pnpm peerdep exception. We're now up-to-date, and the issue is resolved

- Configure Dependabot to group future updates

.github/dependabot.yml

@@ -78,3 +78,6 @@ updates:
       types:
         patterns:
           - "@types/*"
+      uppy:
+        patterns:
+          - "@uppy*"

package.json

@@ -80,9 +80,6 @@
         "lint-to-the-future-ember-template>ember-template-lint": "*",
         "ember-this-fallback>ember-source": "*"
       },
-      "allowAny": [
-        "@uppy/*"
-      ],
       "ignoreMissing": [
         "webpack"
       ]