switch to pnpm and updated publish pipeline to use node 20

Author: lmammino

.github/workflows/build.yml

@@ -1,48 +1,41 @@
 name: Build
 
-on: [push]
+on:
+  push:
+    branches: [ "main", "master" ]
+  pull_request:
+    branches: [ "main", "master" ]
 
 jobs:
   build:
     runs-on: ubuntu-latest
 
     steps:
-      - name: Begin CI...
-        uses: actions/checkout@v2
-
-      - name: Use Node 14
-        uses: actions/setup-node@v1
+      - uses: actions/checkout@v4
+      - uses: pnpm/action-setup@v2
         with:
-          node-version: 14.x
-
-      - name: Use cached node_modules
-        uses: actions/cache@v1
+          version: 8.15
+      - uses: actions/setup-node@v4
         with:
-          path: node_modules
-          key: nodeModules-${{ hashFiles('**/package-lock.json') }}
-          restore-keys: |
-            nodeModules-
-
-      - name: Install dependencies
-        run: npm install
-        env:
-          CI: true
+          node-version: 20
+          cache: 'pnpm'
+      - run: pnpm install --frozen-lockfile
 
       - name: Test
-        run: npm test
+        run: pnpm test
         env:
           CI: true
 
       - name: Build
-        run: npm run prod:build
+        run: pnpm prod:build
         env:
           CI: true
 
       - name: Release to GH pages if on master
-        if: github.ref == 'refs/heads/master'
+        if: ${{github.ref == 'refs/heads/master' || github.ref == 'refs/heads/main'}}
         uses: crazy-max/ghaction-github-pages@v1
         with:
           target_branch: gh-pages
           build_dir: dist
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}