chore: update to node 22 (#44)

Author: mike-engel

.github/workflows/main.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node: ["18"]
+        node: ["18", "22"]
     env:
       SLACK_WEBHOOK_URL: ${{ secrets.SLACK_WEBHOOK_CI_BOT_URL }}
       JOBS: 1