Merge pull request #35 from github/copilot/convert-tests-to-vitest

Convert test framework from Mocha/Chai to Vitest and update CI workflows

Author: dgreif

.github/workflows/nodejs.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 24
       - name: npm install, build, and test
         run: |
           npm install

.github/workflows/publish.yml

@@ -15,7 +15,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-node@v4
         with:
-          node-version: 22
+          node-version: 24
           registry-url: https://registry.npmjs.org/
           cache: npm
       - run: npm ci