build(deps): update faraday requirement from < 2 to < 3 (#3)

Updates the requirements on [faraday](https://github.com/lostisland/faraday) to permit the latest version.
- [Release notes](https://github.com/lostisland/faraday/releases)
- [Changelog](https://github.com/lostisland/faraday/blob/main/CHANGELOG.md)
- [Commits](lostisland/faraday@v0.1.1...v2.0.0)

---
updated-dependencies:
- dependency-name: faraday
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

keybase-unofficial-api.gemspec

@@ -16,6 +16,6 @@ Gem::Specification.new do |s|
   s.homepage              = "https://github.com/kbsecret/keybase-unofficial-api"
   s.license               = "MIT"
 
-  s.add_runtime_dependency "faraday", "< 2"
+  s.add_runtime_dependency "faraday", "< 3"
   s.add_runtime_dependency "keybase-unofficial-core", "~> 1.0"
 end