Packaging and libwcwidth fixes

[jquast]

Packaging: Drop ucs-detect/data/*.yaml from sdist, this is almost 25MB unpacked and will only grow.
If any downstream re-distributors wish to re-execute "tox -e update", then, they can use our git
repository, tags, and git submodules. For python sdist, the ability to "build from source", there is
no need to include 25MB of data used for a code generation step that is not typically executed.

libwcwidth:

• bugfix clip() and boundary_after(). Similar fix as bugfix: restore ITU T.416 colon-format colors with colon separators #243 but implemented in C11.
• bugfix GB9b: boundary_before() recursed on the Prepend's byte offset.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 100.00%. Comparing base (a29c0e1) to head (dd42acb).

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #253   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files           27        27           
  Lines         1982      1982           
  Branches       463       463           
=========================================
  Hits          1982      1982           

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[codspeed]

Merging this PR will not alter performance

✅ 116 untouched benchmarks
🆕 3 new benchmarks

Performance Changes

	Benchmark	BASE	HEAD	Efficiency
🆕	test_clip_cjk_paragraph	N/A	11.7 ms	N/A
🆕	test_clip_cjk_paragraph_overtyping	N/A	15 ms	N/A
🆕	test_clip_emoji_zwj	N/A	1.6 ms	N/A

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_{Comparing jq/libwcwidth-fixes (dd42acb) with master (a29c0e1)}