Fix CI: remove chromium devDep, update workflow to Node 20, update actions

Co-authored-by: liuliu-dev <6688812+liuliu-dev@users.noreply.github.com>

Author: Copilot

.github/workflows/nodejs.yml

@@ -7,11 +7,11 @@ jobs:
     permissions:
       contents: read
     steps:
-    - uses: actions/checkout@v2
-    - name: Use Node.js 12.x
-      uses: actions/setup-node@v1
+    - uses: actions/checkout@v4
+    - name: Use Node.js 20.x
+      uses: actions/setup-node@v4
       with:
-        node-version: 12.x
+        node-version: 20.x
     - name: npm install, build, and test
       run: |
         npm install

package-lock.json

@@ -26,7 +26,6 @@
   "devDependencies": {
     "@github/prettier-config": "0.0.4",
     "chai": "^4.2.0",
-    "chromium": "^3.0.3",
     "eslint": "^8.12.0",
     "eslint-plugin-github": "^4.0.0",
     "karma": "^6.3.14",

package.json

@@ -1,5 +1,3 @@
-process.env.CHROME_BIN = require('chromium').path
-
 module.exports = function (config) {
   config.set({
     frameworks: ['mocha', 'chai'],