build: Bump build scripts and CI to a more recent Node LTS version

.github/CONTRIBUTING.md

@@ -16,13 +16,13 @@ For detailed information on issue and pull request statuses, process for testing
 
 ## Set up
 
-You will need at least [Node >= 18.19.0](https://nodejs.org/en) installed on your machine.
+You will need at least [Node >= 20.19.0](https://nodejs.org/en) installed on your machine.
 
 Once you have the minimum Node version installed, you can continue with the rest of the repo setup.
 
 ```shell
 node -v
-v18.19.1
+v20.19.0
 
 git clone https://github.com/IgniteUI/igniteui-webcomponents.git
 cd igniteui-webcomponents

.github/workflows/node.js.yml

@@ -16,7 +16,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 20.x]
+        node-version: [20.x, 22.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
@@ -32,7 +32,7 @@ jobs:
     - run: npm run test
     - run: npm run check
     - name: Publish to coveralls.io
-      if: matrix.node-version == '18.x'
+      if: matrix.node-version == '20.x'
       uses: coverallsapp/github-action@v2
       with:
           github-token: ${{ github.token }}

.github/workflows/npm-publish.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: '18'
+          node-version: '20'
           cache: 'npm'
           registry-url: 'https://registry.npmjs.org'
       - run: echo "VERSION=${GITHUB_REF/refs\/tags\//}" >> $GITHUB_ENV

scripts/build.mjs

@@ -8,7 +8,7 @@ import {
   getVsCodeCssCustomData,
   getVsCodeHtmlCustomData,
 } from 'custom-element-vs-code-integration';
-import customElements from '../custom-elements.json' assert { type: 'json' };
+import customElements from '../custom-elements.json' with { type: 'json' };
 import report from './report.mjs';
 import { buildComponents, buildThemes } from './sass.mjs';