Fix support for Go 1.27 using unicode 17

[pgimalac]

Generate the table for Unicode 17 to fix Go 1.27.

Fixes #50.

[charlievieth]

@pgimalac thank you for this PR and will take a look at this evening / tomorrow!

[charlievieth]

Seeing some test failures that are very likely due to issues with code generation (e.g. some appear to be around ΰ). I'm a little short on cycles at the moment, but will look into it with the goal of getting it fixed before go1.27 is released.

[pgimalac]

👋 @charlievieth I don't have any failures locally, can you share what's failing / on which platform maybe ?
I'm not in a hurry but I can help :)

[stefanb]

@pgimalac, @charlievieth you can see some runtime panics in Homebrew/homebrew-core#288803, specifically strcase.UnicodeVersion "15.0.0" != unicode.Version "17.0.0"with go 1.27rc1 and:

• https://github.com/walles/moor or
• https://github.com/gravitational/teleport

[charlievieth]

Apologies for the delay, haven't had many free cycles lately, but there was an issue with the generated _FoldMap that caused some code points to be omitted (here the offenders were: ΐ and ΰ). This error was only visible when running tests with go version 1.27rcX.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 98.45%. Comparing base (ccdc7cd) to head (fc67ae4).

Additional details and impacted files

@@           Coverage Diff           @@
##           master      #51   +/-   ##
=======================================
  Coverage   98.45%   98.45%           
=======================================
  Files           2        2           
  Lines        1938     1938           
=======================================
  Hits         1908     1908           
  Misses         30       30           

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[charlievieth]

First of all, thank you @pgimalac for creating this PR and @stefanb for your support of the Go ecosystem! I just cut release v0.0.6 which includes these changes.