[PR] fix: always create GitHook even when `repo_url` is provided [airflow]

[via GitHub]

nailo2c opened a new pull request, #52897:
URL: https://github.com/apache/airflow/pull/52897

   Closes: #52332
   
   # Why
   
   A corner case in `GitDagBundle` causes pulling DAGs from a private GitHub 
repository to fail whenever `repo_url` is set in `dag_bundle_config_list`.
   
   # How
   
   Move the `try / except` block before the `repo_url` detection so that the 
GitHook is always created.
   
   # What
   
   I tested with a private repo and created an example DAG:
   
   ```python
   from datetime import datetime, timedelta
   
   from airflow import DAG
   from airflow.operators.bash import BashOperator
   
   default_args = {
       "owner": "airflow",
       "depends_on_past": False,
       "retries": 1,
       "retry_delay": timedelta(minutes=5),
   }
   
   with DAG(
       dag_id="hello_airflow",
       default_args=default_args,
       description="A simple hello-world DAG",
       schedule="0 0 * * *",
       start_date=datetime(2025, 7, 4),
       catchup=False,
       tags=["example"],
   ) as dag:
   
       say_hello = BashOperator(
           task_id="say_hello",
           bash_command='echo "Hello Airflow!"',
       )
   ```
   ![截圖 2025-07-04 下午4 14 
25](https://github.com/user-attachments/assets/10b6802d-1fb7-4d5d-8dc0-1f67fb80cb92)
   
   Bundle configuration
   ```console
   dag_bundle_config_list = [{"name": "dags-folder", "classpath": 
"airflow.providers.git.bundles.git.GitDagBundle", "kwargs": {"repo_url": 
"g...@github.com:nailo2c/my_repo.git" , "tracking_ref": "main", "subdir": 
"dags"}}]
   ```
   
   Git connection
   ```console
   airflow connections add git_default \
     --conn-json '{
       "conn_type": "git",
       "login": "git",
       "host": "github.com",
       "extra": {
         "private_key": "*****",
         "strict_host_key_checking": "no"
       }
     }'
   ```
   
   It works well
   ![截圖 2025-07-04 下午4 14 
08](https://github.com/user-attachments/assets/1217be56-f785-4a6a-af67-b8c97e1089da)
   


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