chore(deps-dev): update faraday requirement from ~> 0.13 to ~> 2.14

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@v0.13.0...v2.14.0)

---
updated-dependencies:
- dependency-name: faraday
  dependency-version: 2.14.0
  dependency-type: direct:development
...

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

Author: dependabot[bot]

api/opentelemetry-api.gemspec

@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency 'benchmark-ipsa', '~> 0.2.0'
   spec.add_development_dependency 'bundler', '>= 1.17'
   spec.add_development_dependency 'concurrent-ruby', '~> 1.3'
-  spec.add_development_dependency 'faraday', '~> 0.13'
+  spec.add_development_dependency 'faraday', '~> 2.14'
   spec.add_development_dependency 'minitest', '~> 5.0'
   spec.add_development_dependency 'opentelemetry-test-helpers'
   spec.add_development_dependency 'rake', '~> 12.0'