Start testing out Node v22

Author: pimterry

.github/workflows/ci.yml

@@ -16,7 +16,7 @@ jobs:
 
       - uses: actions/setup-node@v4
         with:
-          node-version: 20.11.1
+          node-version: 22.8.0
 
       - run: npm install -g npm@^8