[3.11] gh-51574: Document behaviour of mkdtemp
on 3.11 and lower
#103844
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A bug has been fixed in 3.12 where
mkdtemp
does not return an absolute path if a relative path is supplied to the dir argument (#94612). However, the bugfix is not suitable to be backported, meaning the bug will not be fixed in the 3.11 branch and lower.We should note the existing behaviour in the docs for the 3.11 branch, so that users are not misinformed about what will happen when the function is called.
Closes #51574