Only run CI on original repo

Author: lachlancollins

Diff for: .github/workflows/ci.yml

@@ -16,6 +16,7 @@ concurrency:
 jobs:
   test-and-publish:
     name: Test & Publish
+    if: github.repository == 'TanStack/table'
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -31,7 +32,7 @@ jobs:
           node-version-file: .nvmrc
           cache: pnpm
       - name: Install dependencies
-        run: pnpm install --frozen-lockfile
+        run: pnpm install --frozen-lockfile --prefer-offline
       - name: Run Tests
         run: pnpm run test:ci
       - name: Publish