build: align @trpc/* on a single workspace version

@trpc/client resolved to 11.16.0 in some packages while @trpc/server
resolved to 11.17.0 in others, tripping the exact-version peer check.
Update every @trpc/* range in-range so the whole workspace resolves to
one version (11.18.0); install is peer-warning-free again.

Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>

packages/core-testing/package.json

@@ -29,7 +29,7 @@
     "@testing-library/jest-dom": "^6.5.0",
     "@testing-library/react": "^16.0.0",
     "@testing-library/user-event": "^14.5.0",
-    "@trpc/client": "^11.0.0",
+    "@trpc/client": "^11.18.0",
     "react": "^19.0.0",
     "react-dom": "^19.0.0",
     "superjson": "^2.2.0",