refactor: stop using deprecated celery task API

[shawnzhu]

SUMMARY

Replace deprecated celery task API (has been removed in Celery 5). see details from Removals for version 5.0 - Celery Deprecation Timeline

This is splitted from #14926

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

TESTING INSTRUCTIONS

ADDITIONAL INFORMATION

• Has associated issue: Worker failed to start b/c of WRONGPASS invalid username-password pair. #14925
• 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 #15062 (f9b4173) into master (e82433e) will decrease coverage by 0.25%.
The diff coverage is 100.00%.

❗ Current head f9b4173 differs from pull request most recent head f88996f. Consider uploading reports for the commit f88996f to get more accurate results

@@            Coverage Diff             @@
##           master   #15062      +/-   ##
==========================================
- Coverage   77.78%   77.53%   -0.26%     
==========================================
  Files         966      966              
  Lines       49629    49629              
  Branches     6314     6314              
==========================================
- Hits        38606    38479     -127     
- Misses      10822    10949     +127     
  Partials      201      201              

Flag	Coverage Δ
hive	?
mysql	?
postgres	81.73% <100.00%> (ø)
presto	?
python	81.77% <100.00%> (-0.49%)	⬇️
sqlite	81.35% <100.00%> (ø)

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

Impacted Files	Coverage Δ
superset/sql_lab.py	81.90% <100.00%> (ø)
superset/db_engines/hive.py	0.00% <0.00%> (-82.15%)	⬇️
superset/db_engine_specs/hive.py	70.32% <0.00%> (-17.08%)	⬇️
superset/db_engine_specs/presto.py	83.36% <0.00%> (-6.95%)	⬇️
superset/views/database/mixins.py	81.03% <0.00%> (-1.73%)	⬇️
superset/connectors/sqla/models.py	88.15% <0.00%> (-1.66%)	⬇️
superset/db_engine_specs/mysql.py	92.85% <0.00%> (-1.43%)	⬇️
superset/models/core.py	88.97% <0.00%> (-1.05%)	⬇️
superset/views/core.py	75.03% <0.00%> (-0.45%)	⬇️
superset/db_engine_specs/base.py	87.97% <0.00%> (-0.41%)	⬇️
... and 1 more

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[junlincc]

Thanks for the contribution, please get the last check pass, happy to get it thru if change makes sense. cc @zhaoyongjie @villebro

[nytai]

We should also loop in @dpgaspar @robdiciuccio and @craig-rueda to see if there are any concerns with migrating to celery 5.

[craig-rueda]

LGTM

[zhaoyongjie]

Nick, LGTM.