fix: sqloxide optional

[betodealmeida]

SUMMARY

A user complained that #19416 broke Superset in aarch64, probably because of the new sqlioxide dependency. This PR makes it optional, and recommends people to install it to improve performance in the migration.

BEFORE/AFTER SCREENSHOTS OR ANIMATED GIF

N/A

TESTING INSTRUCTIONS

N/A

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 #19570 (7fd31a6) into master (444b4f5) will decrease coverage by 0.19%.
The diff coverage is 42.85%.

❗ Current head 7fd31a6 differs from pull request most recent head 9b376e6. Consider uploading reports for the commit 9b376e6 to get more accurate results

@@            Coverage Diff             @@
##           master   #19570      +/-   ##
==========================================
- Coverage   66.65%   66.46%   -0.20%     
==========================================
  Files        1680     1680              
  Lines       64271    64277       +6     
  Branches     6564     6564              
==========================================
- Hits        42842    42720     -122     
- Misses      19727    19855     +128     
  Partials     1702     1702              

Flag	Coverage Δ
hive	?
mysql	81.89% <42.85%> (-0.01%)	⬇️
postgres	81.94% <42.85%> (-0.01%)	⬇️
presto	?
python	81.98% <42.85%> (-0.41%)	⬇️
sqlite	?
unit	?

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

Impacted Files	Coverage Δ
superset/migrations/shared/utils.py	75.55% <42.85%> (-6.50%)	⬇️
superset/db_engines/hive.py	0.00% <0.00%> (-85.19%)	⬇️
superset/db_engine_specs/hive.py	70.11% <0.00%> (-15.71%)	⬇️
superset/connectors/sqla/utils.py	89.13% <0.00%> (-5.44%)	⬇️
superset/db_engine_specs/sqlite.py	91.89% <0.00%> (-5.41%)	⬇️
superset/db_engine_specs/presto.py	83.64% <0.00%> (-5.39%)	⬇️
superset/utils/celery.py	86.20% <0.00%> (-3.45%)	⬇️
superset/result_set.py	96.77% <0.00%> (-1.62%)	⬇️
superset/databases/commands/test_connection.py	98.57% <0.00%> (-1.43%)	⬇️
superset/connectors/sqla/models.py	88.10% <0.00%> (-1.21%)	⬇️
... and 6 more

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