chore(deps): separate core dependency updates in Renovate

Author: chenjiahan

.github/renovate.json

@@ -2,6 +2,42 @@
   "$schema": "https://docs.renovatebot.com/renovate-schema.json",
   "extends": ["github>rstackjs/renovate"],
   "packageRules": [
+    {
+      "matchManagers": ["npm"],
+      "matchPackageNames": ["@rsbuild/*"],
+      "groupName": "@rsbuild packages",
+      "groupSlug": "rsbuild",
+      "automerge": true
+    },
+    {
+      "matchManagers": ["npm"],
+      "matchPackageNames": ["@rslib/*"],
+      "groupName": "@rslib packages",
+      "groupSlug": "rslib",
+      "automerge": true
+    },
+    {
+      "matchManagers": ["npm"],
+      "matchPackageNames": ["@rslint/*"],
+      "groupName": "@rslint packages",
+      "groupSlug": "rslint",
+      "automerge": true
+    },
+    {
+      "matchManagers": ["npm"],
+      "matchPackageNames": ["@rstest/*"],
+      "groupName": "@rstest packages",
+      "groupSlug": "rstest",
+      "automerge": true
+    },
+    {
+      "description": "Update unscoped rstack runtime dependencies individually",
+      "matchManagers": ["npm"],
+      "matchPackageNames": ["prettier", "tinypool", "yuku-parser"],
+      "groupName": null,
+      "groupSlug": null,
+      "automerge": true
+    },
     {
       "description": "Disable Rust toolchain updates",
       "matchManagers": ["rust-toolchain"],