chore: Bump FAB to 3.4.0 (#17420)

Bumping FAB to latest 3.4.0

Author: kamalkeshavani-aiinside

requirements/base.txt

@@ -77,7 +77,7 @@ flask==1.1.4
     #   flask-openid
     #   flask-sqlalchemy
     #   flask-wtf
-flask-appbuilder==3.3.4
+flask-appbuilder==3.4.0
     # via apache-superset
 flask-babel==1.0.0
     # via flask-appbuilder

setup.py

@@ -75,7 +75,7 @@ def get_git_sha() -> str:
         "cryptography>=3.3.2",
         "deprecation>=2.1.0, <2.2.0",
         "flask>=1.1.0, <2.0.0",
-        "flask-appbuilder>=3.3.4, <4.0.0",
+        "flask-appbuilder>=3.4.0, <4.0.0",
         "flask-caching>=1.10.0",
         "flask-compress",
         "flask-talisman",