Update Node.js versions in CI

Signed-off-by: Sora Morimoto <[email protected]>

Author: smorimoto

.github/workflows/main.yml

@@ -14,8 +14,8 @@ jobs:
           - ubuntu-latest
           - windows-latest
         node-version:
-          - 16
-          - 18
+          - 20
+          - 22
 
     runs-on: ${{ matrix.os }}