Package dependency updates

[kbwestfall]

Deprecates support for python <= 3.10. I also updated other package dependencies, trying to at least synchronize them to when 3.11 was released.

This also includes some doc fixes.

We'll need to run tests.

[kbwestfall]

PS - This also includes some updates to the installing doc.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 0% with 4 lines in your changes missing coverage. Please review.

Project coverage is 38.03%. Comparing base (745f36c) to head (9ef8b39).
Report is 55 commits behind head on develop.

Files with missing lines	Patch %	Lines
pypeit/spectrographs/vlt_xshooter.py	0.00%	4 Missing ⚠️

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Additional details and impacted files

@@             Coverage Diff             @@
##           develop    #1854      +/-   ##
===========================================
+ Coverage    38.01%   38.03%   +0.02%     
===========================================
  Files          210      211       +1     
  Lines        48850    48975     +125     
===========================================
+ Hits         18569    18629      +60     
- Misses       30281    30346      +65     

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[debora-pe]

Thanks @kbwestfall!!

[rcooke-ast]

Do you also need to change tox.ini? Otherwise, this all looks great to me - thanks for doing this!

[kbwestfall]

Do you also need to change tox.ini? Otherwise, this all looks great to me - thanks for doing this!

Can you say more? The PR has changes to tox.ini, but did I miss something?

[rcooke-ast]

Do you also need to change tox.ini? Otherwise, this all looks great to me - thanks for doing this!

Can you say more? The PR has changes to tox.ini, but did I miss something?

Ahhh... sorry - I didn't see it at the bottom of the PR. All looks good to me!!

[kbwestfall]

Do you also need to change tox.ini? Otherwise, this all looks great to me - thanks for doing this!

Can you say more? The PR has changes to tox.ini, but did I miss something?

Ahhh... sorry - I didn't see it at the bottom of the PR. All looks good to me!!

Phew! Thanks for checking.