ci: update CI workflow to use vitest

Co-Authored-By: Niels Swimberghe <3382717+Swimburger@users.noreply.github.com>

Author: devin-ai-integration[bot]

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
         run: npm ci
 
       - name: Run tests
-        run: npx jest --ci
+        run: npx vitest run
 
       - name: Build
         run: npm run build