Add CI support for node 20.x and 22.x

Author: eriktrom

.github/workflows/ci.yml

@@ -7,7 +7,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        node-version: [0.12.x, 4.x, 6.x, 8.x, 10.x, 12.x, 14.x, 16.x, 18.x]
+        node-version: [0.12.x, 4.x, 6.x, 8.x, 10.x, 12.x, 14.x, 16.x, 18.x, 20.x, 22.x]
         os: [ubuntu-latest, macos-latest, windows-latest]
 
     runs-on: ${{ matrix.os }}