Update Node CI target to match HTK server

Author: pimterry

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [16.x, 18.x, 20.x, v20.11.1, 22.x, 23.x]
+        node-version: [16.x, 18.x, 20.x, v20.18.1, 22.x, 23.x]
 
     steps:
       - uses: actions/checkout@v4
@@ -23,7 +23,7 @@ jobs:
       - run: npm run ci-tests
 
       - name: Deploy docs
-        if: github.ref == 'refs/heads/main' && matrix.node-version == 'v20.11.1'
+        if: github.ref == 'refs/heads/main' && matrix.node-version == 'v20.18.1'
         uses: JamesIves/github-pages-deploy-action@v4
         with:
           single-commit: true