ci: remove node 14

Author: yyx990803

.github/workflows/ci.yml

@@ -32,7 +32,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        node_version: [14, 16, 18, 20]
+        node_version: [16, 18, 20]
         include:
           # Active LTS + other OS
           - os: macos-latest