feat: add next 11 compat (#9)

Author: satazor

.github/workflows/node-ci.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        node-version: ['12', '14']
+        node-version: ['14', '16']
     name: "[v${{ matrix.node-version }}] check"
 
     steps: