Add signeture of Faraday::Connection#options

[rhiroe]

Add Faraday::Connection#options signature and Faraday::RequestOptions class.

After merging this Pull Request, the following code passes type checking.

conn = Faraday.new do |builder|
  builder.options.open_timeout = 5
  builder.options.read_timeout = 10
  builder.options.write_timeout = 5
end

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faraday

You changed RBS files for an existing gem.
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[yykamei]

APPROVE

[yykamei]

Thank you!

[yykamei]

/merge

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[yykamei]

APPROVE

[yykamei]

/merge

[github-actions]

Thanks for your review, @yykamei!

@rhiroe, @yykamei This PR is ready to be merged.
Just comment /merge to merge this PR.