chore: bump FAB to 3.4.1

[dpgaspar]

SUMMARY

Flask-AppBuilder 3.4.1 is out, we can now set superset out of RC

Release:
https://github.com/dpgaspar/Flask-AppBuilder/releases/tag/v3.4.1

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue:
• Required feature flags:
• Changes UI
• Includes DB Migration (follow approval process in SIP-59)
  • Migration is atomic, supports rollback & is backwards-compatible
  • Confirm DB migration upgrade and downgrade tested
  • Runtime estimates and downtime expectations provided
• Introduces new feature or API
• Removes existing feature or API

[codecov]

Codecov Report

Merging #17723 (ed4ed56) into master (07bbe84) will increase coverage by 0.06%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #17723      +/-   ##
==========================================
+ Coverage   67.72%   67.78%   +0.06%     
==========================================
  Files        1602     1602              
  Lines       64146    64146              
  Branches     6773     6773              
==========================================
+ Hits        43442    43484      +42     
+ Misses      18851    18809      -42     
  Partials     1853     1853              

Flag	Coverage Δ
hive	81.78% <ø> (ø)
mysql	82.15% <ø> (+<0.01%)	⬆️
postgres	82.20% <ø> (ø)
presto	82.06% <ø> (?)
python	82.69% <ø> (+0.14%)	⬆️
sqlite	81.88% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
superset/models/core.py	90.00% <0.00%> (+0.73%)	⬆️
superset/connectors/sqla/models.py	88.42% <0.00%> (+1.34%)	⬆️
superset/db_engine_specs/presto.py	89.97% <0.00%> (+5.63%)	⬆️

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