ENH: use Table instead of QTable

[bsipocz]

otherwise, I run into some warnings for the s_region SIA column. Not yet sure if it's a server-side issue or an issue with the standard, but for now we'll just have Tables instead.

Follow-up for #3252

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 2 lines in your changes missing coverage. Please review.

Project coverage is 69.08%. Comparing base (fe2614f) to head (44b034a).
Report is 10 commits behind head on main.

Files with missing lines	Patch %	Lines
astroquery/ipac/irsa/core.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3263   +/-   ##
=======================================
  Coverage   69.08%   69.08%           
=======================================
  Files         232      232           
  Lines       19639    19639           
=======================================
  Hits        13568    13568           
  Misses       6071     6071           

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