chore(deps): bump flask-appbuilder in /data/mwaa/requirements

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] <support@github.com>

data/mwaa/requirements/constraint-requirements.txt

@@ -35,7 +35,7 @@ Babel==2.15.0
 ConfigUpdater==3.2
 Deprecated==1.2.14
 Events==0.5
-Flask-AppBuilder==4.4.1
+Flask-AppBuilder==4.5.1
 Flask-Babel==2.0.0
 Flask-Bcrypt==1.0.1
 Flask-Caching==2.3.0