chore: re-enable previously disabled buf lint checks (#2817)

Signed-off-by: Matías Insaurralde <matias@chainloop.dev>

Author: matiasinsaurralde

.github/workflows/lint.yml

@@ -56,7 +56,6 @@ jobs:
           token: ${{ secrets.buf_api_token }}
           breaking: true
           pr_comment: false
-          exclude_imports: true
 
   lint-dagger-module:
     runs-on: ubuntu-latest

buf.yaml

@@ -49,7 +49,6 @@ modules:
       except:
         - EXTENSION_NO_DELETE
         - FIELD_SAME_DEFAULT
-        - FIELD_SAME_CARDINALITY
   - path: app/controlplane/internal/conf
     lint:
       use: