ci: setup vite rsc canary/experimental test (#1583)

- Closes #1581

This PR adds `@vitejs/plugin-rsc` installation overrides for
canary/experimental CI run. The packages are from
vitejs/vite-plugin-react#524, which uses
pkg.pr.new. By specifying that PR's pr number `@524`, it will install
the latest canary/experimental build.

Author: hi-ogawa

.github/workflows/e2e.yml

@@ -96,6 +96,13 @@ jobs:
       - if: ${{ inputs.react_version }}
         run: |
           pnpm -r update react@${{ inputs.react_version }} react-dom@${{ inputs.react_version }} react-server-dom-webpack@${{ inputs.react_version }}
+          # overrides canary/experimental build from https://github.com/vitejs/vite-plugin-react/pull/524
+          if [ "${{ inputs.react_version }}" = "canary" ]; then
+            pnpm -r update @vitejs/plugin-rsc@https://pkg.pr.new/vitejs/vite-plugin-react/@vitejs/plugin-rsc-canary@524
+          fi
+          if [ "${{ inputs.react_version }}" = "experimental" ]; then
+            pnpm -r update @vitejs/plugin-rsc@https://pkg.pr.new/vitejs/vite-plugin-react/@vitejs/plugin-rsc-experimental@524
+          fi
       - run: pnpm install
       - uses: actions/download-artifact@v4
         with:

e2e/fixtures/monorepo/package.json

@@ -6,6 +6,7 @@
   ],
   "dependencies": {
     "react": "19.1.1",
-    "react-dom": "19.1.1"
+    "react-dom": "19.1.1",
+    "waku": "latest"
   }
 }