Upgrade packages

Author: hojberg

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
 
     strategy:
       matrix:
-        node-version: [18.x, 19.x, 20.x]
+        node-version: [20.x]
         # See supported Node.js release schedule at https://nodejs.org/en/about/releases/
 
     steps:
@@ -26,3 +26,4 @@ jobs:
       - run: npm run build
       - run: npm test
       - run: npm run review
+      - run: npx prettier --check .