Backport PR #25063 on branch 0.24.x (API: change Index set ops sort=True -> sort=None)

[meeseeksmachine]

Backport PR #25063: API: change Index set ops sort=True -> sort=None

[codecov]

Codecov Report

Merging #25083 into 0.24.x will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           0.24.x   #25083      +/-   ##
==========================================
+ Coverage   92.36%   92.37%   +<.01%     
==========================================
  Files         166      166              
  Lines       52398    52410      +12     
==========================================
+ Hits        48400    48416      +16     
+ Misses       3998     3994       -4

Flag	Coverage Δ
#multiple	90.8% <100%> (ø)	⬆️
#single	42.88% <57.69%> (ø)	⬆️

Impacted Files	Coverage Δ
pandas/core/indexes/multi.py	95.6% <100%> (+0.01%)	⬆️
pandas/core/indexes/datetimes.py	96.27% <100%> (ø)	⬆️
pandas/core/indexes/api.py	99% <100%> (ø)	⬆️
pandas/core/indexes/base.py	96.55% <100%> (+0.22%)	⬆️
pandas/core/indexes/interval.py	95.25% <100%> (ø)	⬆️
pandas/core/indexes/range.py	97.36% <100%> (ø)	⬆️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #25083 into 0.24.x will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           0.24.x   #25083      +/-   ##
==========================================
+ Coverage   92.36%   92.37%   +<.01%     
==========================================
  Files         166      166              
  Lines       52398    52410      +12     
==========================================
+ Hits        48400    48416      +16     
+ Misses       3998     3994       -4

Flag	Coverage Δ
#multiple	90.8% <100%> (ø)	⬆️
#single	42.88% <57.69%> (ø)	⬆️

Impacted Files	Coverage Δ
pandas/core/indexes/multi.py	95.6% <100%> (+0.01%)	⬆️
pandas/core/indexes/datetimes.py	96.27% <100%> (ø)	⬆️
pandas/core/indexes/api.py	99% <100%> (ø)	⬆️
pandas/core/indexes/base.py	96.55% <100%> (+0.22%)	⬆️
pandas/core/indexes/interval.py	95.25% <100%> (ø)	⬆️
pandas/core/indexes/range.py	97.36% <100%> (ø)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update c21d32f...570cabd. Read the comment docs.