Restart CI (#1463)

* Restart CI

* Fix README formatting

* Fix another trailing slash

.github/workflows/node.js.yml

@@ -1,24 +1,22 @@
-# This workflow will do a clean install of node dependencies, build the source code and run tests across different versions of node
-# For more information see: https://help.github.com/actions/language-and-framework-guides/using-nodejs-with-github-actions
-
 name: Node.js CI
 
 on:
   push:
-    branches: [ master, staging, trying ]
+    branches: [ main ]
   pull_request:
-    branches: [ master ]
+    branches: [ main ]
 
 jobs:
   test:
 
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v4
     - name: Test on Node.js
-      uses: actions/setup-node@v2
+      uses: actions/setup-node@v4
       with:
-        node-version: 12.x
+        node-version: '20.x'
+        cache: yarn
     - run: yarn install --frozen-lockfile
     - run: yarn test