ci: set NODE_ENV in package publishing workflow

Author: LexLuengas

.github/workflows/publish-npm-package.yml

@@ -5,6 +5,9 @@ on:
     types: [created]
   workflow_dispatch:
 
+env:
+  NODE_ENV: production
+
 jobs:
   build-npmjs:
     runs-on: ubuntu-latest
@@ -15,9 +18,6 @@ jobs:
         with:
           node-version: '10.x'
           registry-url: 'https://registry.npmjs.org'
-      - name: Install dependencies & build (mock)
-        working-directory: ./mock
-        run: npm install
       - run: npm ci
       - run: npm publish
         env:
@@ -34,9 +34,6 @@ jobs:
         with:
           node-version: '10.x'
           registry-url: 'https://npm.pkg.github.com'
-      - name: Install dependencies & build (mock)
-        working-directory: ./mock
-        run: npm install
       - run: npm ci
       - run: npm publish
         env: