Bump flask-appbuilder from 4.4.1 to 4.5.1 in /integration/airflow

Bumps [flask-appbuilder](https://github.com/dpgaspar/flask-appbuilder) from 4.4.1 to 4.5.1.
- [Release notes](https://github.com/dpgaspar/flask-appbuilder/releases)
- [Changelog](https://github.com/dpgaspar/Flask-AppBuilder/blob/master/CHANGELOG.rst)
- [Commits](dpgaspar/Flask-AppBuilder@v4.4.1...v4.5.1)

---
updated-dependencies:
- dependency-name: flask-appbuilder
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

integration/airflow/requirements.txt

@@ -158,7 +158,7 @@ flask==2.2.5
     #   flask-session
     #   flask-sqlalchemy
     #   flask-wtf
-flask-appbuilder==4.4.1
+flask-appbuilder==4.5.1
     # via apache-airflow
 flask-babel==2.0.0
     # via flask-appbuilder