ci: enable buf format checking in ci

Signed-off-by: Mark Sanders <marksanders194@gmail.com>

Author: sandersms

.github/workflows/buf.yml

@@ -17,5 +17,5 @@ jobs:
           version: 1.50.0
           token: ${{ secrets.BUF_TOKEN}}
           lint: true
-          format: false
+          format: true
           breaking: false