update build-rc.yml

.github/workflows/build-rc.yml

@@ -29,6 +29,17 @@ jobs:
           ${{ runner.OS }}-growi-builder-${{ hashFiles('docker/Dockerfile') }}
           ${{ runner.OS }}-growi-builder-
 
+    - name: install dependencies
+      if: steps.cache.outputs.cache-hit != 'true'
+      run: |
+        yarn
+
+    - name: install plugins
+      if: steps.cache.outputs.cache-hit != 'true'
+      run: |
+        yarn add growi-plugin-lsx growi-plugin-pukiwiki-like-linker growi-plugin-attachment-refs
+        yarn add -D react-images react-motion
+
     - name: Build Docker Image
       run: |
         docker buildx build \