chore: use workspace glob for example:test:all

utoo now supports glob patterns in `--workspace`. Replace the serial
`&& --workspace` chain with a single `--workspace 'helloworld-*'`
so all matching example packages are tested in parallel via utoo's
topological scheduler.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: elrrrrrrr

package.json

@@ -31,7 +31,7 @@
     "example:dev:commonjs": "ut run dev --workspace helloworld-commonjs",
     "example:dev:typescript": "ut run dev --workspace helloworld-typescript",
     "example:dev:tegg": "ut run dev --workspace helloworld-tegg",
-    "example:test:all": "ut run test --workspace helloworld-typescript && ut run test --workspace helloworld-tegg",
+    "example:test:all": "ut run test --workspace 'helloworld-*'",
     "prepare": "husky",
     "version:patch": "node scripts/version.js patch",
     "version:minor": "node scripts/version.js minor",