Add node 20.x to build matrix

Author: mantoni

.github/workflows/ci.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: ['16.x', '18.x']
+        node-version: ['16.x', '18.x', '20.x']
 
     steps:
       - name: Checkout
@@ -34,15 +34,15 @@ jobs:
         env:
           PUPPETEER_SKIP_CHROMIUM_DOWNLOAD: 1
       - name: Lint
-        if: matrix.node-version == '16.x'
+        if: matrix.node-version == '20.x'
         run: npm run lint
       - name: Prettier
-        if: matrix.node-version == '16.x'
+        if: matrix.node-version == '20.x'
         run: npm run prettier:check
       - name: Test Node
         run: npm run test:node
       - name: Test Browser
-        if: matrix.node-version == '16.x'
+        if: matrix.node-version == '20.x'
         run: |
           export PUPPETEER_EXECUTABLE_PATH=$(which google-chrome-stable)
           npm run test:browser