ci(dependabot): group some major updates by scope (#1579)

Author: caugner

.github/dependabot.yml

@@ -19,6 +19,27 @@ updates:
           - patch
         exclude-patterns:
           - "@mdn/*"
+      codemirror:
+        patterns:
+          - "@codemirror/*"
+        update-types:
+          - major
+      eslint:
+        patterns:
+          - "@eslint/*"
+          - "eslint"
+        update-types:
+          - major
+      rspack:
+        patterns:
+          - "@rspack/*"
+        update-types:
+          - major
+      wdio:
+        patterns:
+          - "@wdio/*"
+        update-types:
+          - major
     commit-message:
       prefix: chore
       prefix-development: build