ci: remove matrix node

Author: Victor Martins

.github/workflows/publish.yml

@@ -18,14 +18,11 @@ jobs:
 
   publish:
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        node: [14.x, 16.x]
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3
         with:
-          node-version: ${{ matrix.node }}
+          node-version: '14.x'
           registry-url: 'https://registry.npmjs.org'
       - name: Install dependencies
         run: yarn install --frozen-lockfile