chore: Bump Flask-AppBuilder to 4.2.0

[john-bodley]

SUMMARY

Bumps Flask-AppBuilder to 4.2.0 which includes dpgaspar/Flask-AppBuilder#1971 et al. which #22413 plans to leverage from a performance standpoint.

pip-compile-multi --upgrade-package=flask-appbuilder

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

CI.

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 #22580 (b5171af) into master (ebaad10) will decrease coverage by 0.09%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master   #22580      +/-   ##
==========================================
- Coverage   67.00%   66.90%   -0.10%     
==========================================
  Files        1859     1859              
  Lines       71019    71019              
  Branches     7766     7766              
==========================================
- Hits        47587    47518      -69     
- Misses      21410    21479      +69     
  Partials     2022     2022              

Flag	Coverage Δ
hive	?
mysql	77.99% <ø> (ø)
postgres	78.06% <ø> (ø)
presto	52.36% <ø> (ø)
python	81.12% <ø> (-0.21%)	⬇️
sqlite	76.44% <ø> (ø)
unit	51.46% <ø> (ø)

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

Impacted Files	Coverage Δ
superset/db_engines/hive.py	0.00% <0.00%> (-85.19%)	⬇️
superset/db_engine_specs/hive.py	71.25% <0.00%> (-16.15%)	⬇️
superset/db_engine_specs/base.py	88.95% <0.00%> (-0.32%)	⬇️
superset/connectors/sqla/models.py	89.16% <0.00%> (-0.20%)	⬇️
superset/utils/core.py	90.78% <0.00%> (-0.11%)	⬇️

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