test: add node 22

Author: msimerson

.github/workflows/ci.yml

@@ -28,7 +28,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ ubuntu-latest ]
-        node: [ 6, 8, 10, 12, 14, 16, 18, 20 ]
+        node: [ 6, 8, 10, 12, 14, 16, 18, 20, 22 ]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4