ci: always run yarn install command to ensure workspace links

Author: meteorlxy

.github/workflows/docs.yml

@@ -12,6 +12,7 @@ jobs:
 
     env:
       GA_ID: G-CTB8FQ7VMW
+      NODE_VERSION: '14'
 
     steps:
       - uses: actions/checkout@v2
@@ -21,20 +22,23 @@ jobs:
       - name: Setup Node.js
         uses: actions/setup-node@v1
         with:
-          node-version: '14'
+          node-version: ${{ env.NODE_VERSION }}
 
-      - name: Cache dependencies
+      - name: Get yarn cache directory path
+        id: yarn-cache-dir-path
+        run: echo "::set-output name=dir::$(yarn cache dir)"
+
+      - name: Handle yarn cache
         uses: actions/cache@v2
         id: yarn-cache
         with:
-          path: |
-            **/node_modules
-          key: ${{ runner.os }}-yarn-${{ hashFiles('**/yarn.lock') }}
+          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
+          key: ${{ runner.os }}-node-${{ env.NODE_VERSION }}-yarn-${{ hashFiles('**/yarn.lock') }}
           restore-keys: |
-            ${{ runner.os }}-yarn-
+            ${{ runner.os }}-node-${{ env.NODE_VERSION }}-yarn-
+            ${{ runner.os }}-node-
 
       - name: Install dependencies
-        if: steps.yarn-cache.outputs.cache-hit != 'true'
         run: yarn --frozen-lockfile
 
       - name: Copy and build