feat!: switch to shorthand v2

[danielgtaylor]

Switch to the new Shorthand v2 syntax, see https://github.com/danielgtaylor/shorthand/releases/tag/v2.0.0-beta

This replaces the Shorthand v1 CLI input as well as JMESPath for filtering as Shorthand v2 includes a query syntax to support certain patch operations.

[codecov]

Codecov Report

Merging #140 (829559e) into main (e054065) will decrease coverage by 0.22%.
The diff coverage is 46.15%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #140      +/-   ##
==========================================
- Coverage   64.64%   64.42%   -0.23%     
==========================================
  Files          22       22              
  Lines        2410     2423      +13     
==========================================
+ Hits         1558     1561       +3     
- Misses        686      694       +8     
- Partials      166      168       +2     

Impacted Files	Coverage Δ
cli/lexer.go	70.64% <0.00%> (-1.33%)	⬇️
openapi/openapi.go	52.48% <0.00%> (ø)
cli/request.go	56.93% <41.66%> (-0.73%)	⬇️
cli/formatter.go	57.67% <50.00%> (-1.49%)	⬇️
cli/edit.go	84.78% <100.00%> (ø)
cli/input.go	70.37% <100.00%> (+3.70%)	⬆️

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