ci: run bundle size assertion outside of matrix (#30688)

.github/workflows/ci.yml

@@ -188,6 +188,31 @@ jobs:
       - name: Test (runtime unit)
         run: pnpm test:runtime
 
+  test-size:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+
+    steps:
+      - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+      - run: corepack enable
+      - uses: actions/setup-node@39370e3970a6d050c480ffad4ff0ed4d3fdee5af # v4.1.0
+        with:
+          node-version: lts/*
+          cache: "pnpm"
+
+      - name: Install dependencies
+        run: pnpm install
+
+      - name: Restore dist cache
+        uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4.1.8
+        with:
+          name: dist
+          path: packages
+
+      - name: Check bundle size
+        run: pnpm vitest run bundle
+
   test-fixtures:
     runs-on: ${{ matrix.os }}
     needs: