Move NPM publish step to separate job again

.github/workflows/ci.yml

@@ -97,8 +97,28 @@ jobs:
       env:
         GITHUB_AUTH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
 
-    - name: Publish to NPM
-      if: github.event_name == 'push' && contains(github.ref, 'refs/tags/') && success() && matrix.os == 'ubuntu-16.04'
-      run: npm publish --access public
+  # Separate step for publishing to NPM so we're sure that generating + uploading prebuilds worked on all platforms
+  npm-publish:
+    needs: build
+    name: Publish to NPM
+    runs-on: ubuntu-20.04
+    if: github.event_name == 'push' && contains(github.ref, 'refs/tags/')
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Use Node.js 15
+      uses: actions/setup-node@v1
+      with:
+        node-version: 15.x
+        registry-url: 'https://registry.npmjs.org'
+
+    - run: sudo apt-get install libsecret-1-dev
+      name: Install additional dependencies
+
+    - run: npm install
+      name: Setup environment
+
+    - run: npm publish --access public
+      name: Upload to NPM      
       env:
         NODE_AUTH_TOKEN: ${{ secrets.NPM_AUTH_TOKEN }}