Update build environment, drop tests for nodejs12.x, 14.x. 16.x shoul…

…d be dropped soon as well (#235)

.github/workflows/build.yml

@@ -19,12 +19,12 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        node-version: [12.x, 14.x, 16.x, 18.x]
+        node-version: [16.x, 18.x, 20.x]
 
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - name: Use Node.js ${{ matrix.node-version }}
-        uses: actions/setup-node@v3
+        uses: actions/setup-node@v4
         with:
           node-version: ${{ matrix.node-version }}
       - run: npm ci
@@ -40,11 +40,11 @@ jobs:
     needs: build
     if: startsWith(github.ref, 'refs/tags/v')
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       # Setup .npmrc file to publish to npm
-      - uses: actions/setup-node@v3
+      - uses: actions/setup-node@v4
         with:
-          node-version: '18.x'
+          node-version: '20.x'
           registry-url: 'https://registry.npmjs.org'
           scope: '@geolonia'
       - run: npm install