dev: setup nodejs env in workflow

Author: Abraham-Flutterwave

.github/workflows/publish-package.yml

@@ -15,6 +15,10 @@ jobs:
               if: ${{ always() }}
             - name: Checkout code
               uses: actions/checkout@v3
+            - name: Setup Node.js environment
+              uses: actions/setup-node@v2.5.2
+              with:
+                node-version-file: .nvmrc
             - name: Build Plugin
               uses: ./.github/actions/make-build
             - name: WordPress Plugin Deploy