chore(deps): bump flask-appbuilder from 4.1.4 to 4.5.1 in /airflow

Bumps [flask-appbuilder](https://github.com/dpgaspar/flask-appbuilder) from 4.1.4 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@v4.1.4...v4.5.1)

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

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

airflow/requirements-composer-2.6.0-airflow-2.5.3.txt

@@ -79,7 +79,7 @@ fasteners==0.19
 filelock==3.10.7
 firebase-admin==6.2.0
 Flask==2.2.5
-Flask-AppBuilder==4.1.4
+Flask-AppBuilder==4.5.1
 Flask-Babel==2.0.0
 Flask-Bcrypt==1.0.1
 Flask-Caching==2.0.2