Fix wrong install command

Author: leeyi45

.github/workflows/new-workflow.yml

@@ -30,7 +30,7 @@ jobs:
           cache: yarn
 
       - name: Install dependencies
-        run: yarn install --immutable
+        run: yarn workspaces focus @sourceacademy/modules-info-action --production
 
       - name: Find Packages
         id: find

.github/workflows/pages-deploy.yml

@@ -24,7 +24,7 @@ jobs:
           cache: yarn
 
       - name: Install Dependencies 📦
-        run: yarn workspace focus @sourceacademy/modules-info-action --immutable
+        run: yarn install --immutable
 
       - name: Build Modules 🔧
         run: yarn workspaces foreach -j 5 -ptW --from "./src/{bundles,tsc}/*" run build --tsc --lint