Enable Corepack in deployment workflow

Author: mCodex

.github/workflows/deploy.yml

@@ -1,4 +1,3 @@
-name: Deploy
 
 on:
   push:
@@ -25,6 +24,7 @@ jobs:
       uses: actions/setup-node@v1
       with:
         node-version: ${{ matrix.node-version }}
+    - run: corepack enable
     - run: yarn  
     - run: yarn build:gactions