Bump FAB to 4.1.4 (#26393)

No changes that should be replicated in `airflow/www/fab_security`
was found.

See dpgaspar/Flask-AppBuilder@v4.1.3...v4.1.4

I expect that the constraints dependencies got updated to:

flask-wtf==1.0.1
wtforms==3.0.1

setup.cfg

@@ -108,7 +108,7 @@ install_requires =
     # Every time we update FAB version here, please make sure that you review the classes and models in
     # `airflow/www/fab_security` with their upstream counterparts. In particular, make sure any breaking changes,
     # for example any new methods, are accounted for.
-    flask-appbuilder==4.1.3
+    flask-appbuilder==4.1.4
     flask-caching>=1.5.0
     flask-login>=0.6.2
     flask-session>=0.4.0