Update EO extension to v1.1.0

[jsignell]

Related Issue(s):

• Update EO extension to v1.1.0 #1035

Description:

The solar_illumination field was already in the extension class, so I only needed to add eo:snow_cover.

PR Checklist:

• pre-commit hooks pass locally
• Tests pass (run scripts/test)
• Documentation has been updated to reflect changes, if applicable
• This PR maintains or improves overall codebase code coverage.
• Changes are added to the CHANGELOG. See the docs for information about adding to the changelog.

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: +0.03 🎉

Comparison is base (add2fe9) 90.35% compared to head (8ef66d3) 90.38%.

❗ Current head 8ef66d3 differs from pull request most recent head c9eff2c. Consider uploading reports for the commit c9eff2c to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1131      +/-   ##
==========================================
+ Coverage   90.35%   90.38%   +0.03%     
==========================================
  Files          48       48              
  Lines        6343     6367      +24     
  Branches      944      947       +3     
==========================================
+ Hits         5731     5755      +24     
  Misses        431      431              
  Partials      181      181              

Impacted Files	Coverage Δ
pystac/extensions/eo.py	93.85% <100.00%> (+0.67%)	⬆️

... and 1 file with indirect coverage changes

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[gadomski]

Awesome, thanks for including the test for the old version as well 👍🏼.