update ci

Author: chenxsan

.github/workflows/build.yml

@@ -50,4 +50,5 @@ jobs:
           python -m pip install --upgrade pip
           pip install -r requirements.txt
 
-      - run: cp .proselintrc ~/ && proselint src/content
+      - run: cp .proselintrc ~/ 
+      - run: proselint src/content