chore(actions): remove node 16 from actions

Author: palashmon

.github/workflows/main.yaml

@@ -10,9 +10,9 @@ jobs:
       fail-fast: false
       matrix:
         node-version:
+          - 21
           - 20
           - 18
-          - 16
     steps:
       - uses: actions/checkout@v3
       - uses: actions/setup-node@v3