Update migrate code to handle license updates for v1.1.0

[jsignell]

Related Issue(s):

• Update pystac migrate for STAC spec 1.1.0 #1383

Description:

Since we decided that bands (#1238) and file:// (#1472) are going to wait until pystac v2 there wasn't much left for the migration to do. Just license.

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 91.32%. Comparing base (24e16e4) to head (015f2cf).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1491      +/-   ##
==========================================
+ Coverage   91.22%   91.32%   +0.09%     
==========================================
  Files          53       53              
  Lines        7296     7293       -3     
  Branches      887      885       -2     
==========================================
+ Hits         6656     6660       +4     
+ Misses        459      452       -7     
  Partials      181      181              

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