Update to Core beta.23

[julianrex]

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Pull request checklist:

• Briefly describe the changes in this PR.
• Document any changes to public APIs.
• Apply changelog label ('breaking change', 'bug 🪲', 'build', 'docs', 'feature 🍏', 'performance ⚡', 'testing 💯') or use the label 'skip changelog'
• Add an entry inside this element for inclusion in the mapbox-maps-ios changelog: <changelog></changelog>.
• Update the migration guide, API Docs, Markdown files - Readme, Developing, etc

Summary of changes

This PR:

• updates to MapboxCoreMaps 10.0.0-beta.22, MapboxCommon 13.0.0, MapboxMobileEvents 1.0.0
• Removes the Cartfile, Carthage directory and associated deps target from the makefile.
• MBXFeature has been renamed Feature, MBXGeometry renamed as Geometry. Existing uses of the Turf types have been fully namespaced.
• Removes the top-level MapboxMaps.xcworkspace, as it's no longer required.

[neelmistry94]

This is quite a large change to drop Carthage so I'd request the following

• scrub our CONTRIBUTING.md and DEVELOPING.md to remove any Carthage instructions
• Add a changelog bullet that development environment is now on SPM and not carthage
• Also, in our base.xcconfig, let's reenable warnings as errors. I have tested this and our builds do not fail anymore