Update STAC_VERSION to v1.1.0

[gadomski]

Related Issue(s):

• Part of Support STAC spec version 1.1.0 #1375

Description:

This PR updates STAC_VERSION, switches the local json-schema files to v1.1.0, and updates all test files to v1.1.0. There was one test change required because two-element bboxes are no longer allowed in Collections (radiantearth/stac-spec#1243). Otherwise, there's no code changes.

I didn't expect to want to do this change so early, but it didn't make much sense to start doing v1.1 things (e.g. #1377) while we were still writing STAC v1.0.0.

I don't think this is breaking, as the API doesn't change, but other opinions are available.

PR Checklist:

• Pre-commit hooks and 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

All modified and coverable lines are covered by tests ✅

Project coverage is 91.21%. Comparing base (d3630e6) to head (1bf4575).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1427   +/-   ##
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  Coverage   91.21%   91.21%           
=======================================
  Files          52       52           
  Lines        7237     7237           
  Branches     1018     1018           
=======================================
  Hits         6601     6601           
  Misses        457      457           
  Partials      179      179           

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[jsignell]

So pystac output is already valid for STAC spec 1.1?

[jsignell]

If it's valid then yeah sounds good!!