ci: Rename action

Author: buffcode

.github/workflows/prettier.yml

@@ -1,4 +1,4 @@
-name: Prettier
+name: Codestyle
 
 on:
   push:
@@ -28,5 +28,5 @@ jobs:
       - name: Install dependencies
         if: steps.yarn-cache.outputs.cache-hit != 'true'
         run: yarn install --frozen-lockfile
-      - name: Build
+      - name: Check code style
         run: yarn prettier:lint