Replace sqr with square

[sudarsan2k5]

Fixes #1422

• Rename sqr for square
• Deprecated sqr
• Added test for deprecation

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[codecov]

Codecov Report

Merging #1439 (273680a) into main (c433071) will decrease coverage by 0.12%.
The diff coverage is 100.00%.

❗ Current head 273680a differs from pull request most recent head e3c340d. Consider uploading reports for the commit e3c340d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1439      +/-   ##
==========================================
- Coverage   74.86%   74.75%   -0.12%     
==========================================
  Files         194      194              
  Lines       50107    49898     -209     
  Branches    12098    10554    -1544     
==========================================
- Hits        37514    37302     -212     
- Misses      10266    10269       +3     
  Partials     2327     2327              

Impacted Files	Coverage Δ
aesara/gradient.py	77.02% <ø> (ø)
aesara/scalar/basic.py	79.16% <100.00%> (-0.02%)	⬇️
aesara/sparse/basic.py	82.53% <100.00%> (-0.01%)	⬇️
aesara/tensor/math.py	90.67% <100.00%> (-0.01%)	⬇️
aesara/tensor/rewriting/math.py	85.95% <100.00%> (-0.17%)	⬇️

... and 37 files with indirect coverage changes

[rlouf]

Although this can be changed in a separate PR, we should also keep in mind the change suggested in #1213.

[brandonwillard]

Looks like this has some merge conflicts that need to be resolved now.

[brandonwillard]

I've rebased and added some missing aesara.tensor import tests. This should be good to merge once it passes the tests.