CompatHelper: add new compat entry for GeoMakie at version 0.7, (keep existing compat)

[github-actions]

This pull request sets the compat entry for the GeoMakie package to 0.7.
This keeps the compat entries for earlier versions.

Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass before you merge this pull request.
Note: Consider registering a new release of your package immediately after merging this PR, as downstream packages may depend on this for tests to pass.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 73.10%. Comparing base (be6922b) to head (24ce98f).
⚠️ Report is 5 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #53   +/-   ##
=======================================
  Coverage   73.10%   73.10%           
=======================================
  Files          12       12           
  Lines         725      725           
=======================================
  Hits          530      530           
  Misses        195      195           

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