ci: upgrade yarn for monorepo

.github/workflows/frontend-build.yml

@@ -44,7 +44,22 @@ jobs:
         with:
           node-version: "${{ env.NODE }}"
 
+      - name: "Monorepo: Check"
+        id: monorepo-check
+        run: |
+          if [ -e '${{ env.FRONTEND_MONOREPO_DIR }}/package.json' ]; then
+            echo "monorepo_path=${{ env.FRONTEND_MONOREPO_DIR }}" >> $GITHUB_OUTPUT
+          else
+            echo "old_path=${{ env.FRONTEND_OLD_DIR }}" >> $GITHUB_OUTPUT
+            echo "::warning::Frontend Monorepo not found"
+          fi
+
+      - name: Upgrade Yarn
+        if: steps.monorepo-check.outputs.monorepo_path
+        run: npm install -g [email protected]
+
       - name: Upgrade Yarn
+        if: steps.monorepo-check.outputs.old_path
         run: npm install -g [email protected]
 
       - name: Get yarn cache directory path
@@ -60,16 +75,6 @@ jobs:
       - name: Print Yarn cache size
         run: du -d 0 -h ${{ steps.yarn-cache-dir-path.outputs.dir }}
 
-      - name: "Monorepo: Check"
-        id: monorepo-check
-        run: |
-          if [ -e '${{ env.FRONTEND_MONOREPO_DIR }}/package.json' ]; then
-            echo "monorepo_path=${{ env.FRONTEND_MONOREPO_DIR }}" >> $GITHUB_OUTPUT
-          else
-            echo "old_path=${{ env.FRONTEND_OLD_DIR }}" >> $GITHUB_OUTPUT
-            echo "::warning::Frontend Monorepo not found"
-          fi
-
       - name: Build
         if: steps.monorepo-check.outputs.old_path
         run: |