Min max sparse fillna
- [x] closes #41552
- [x] tests added / passed
- [x] Ensure all linting tests pass, see [here](https://pandas.pydata.org/pandas-docs/dev/development/contributing.html#code-standards) for how to run them
- [x] whatsnew entry

I am not quite sure what this test failure is pointing towards. It is the same exact failure with my other pull request #41162 @jbrockmendel , do I need to change any configuration in order for it to pass? Cause I am not sure why is it so > do I need to change any configuration in order for it to pass? Cause I am not sure why is it so

no, this looks like the CI being flaky for unrelated reasons.  you can ignore it thanks @taytzehao 