Update faraday requirement from >= 0.9.0, < 1 to >= 0.9.0, < 2

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/master/CHANGELOG.md)
- [Commits](lostisland/faraday@v0.9.0...v0.17.3)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

we-call.gemspec

@@ -21,7 +21,7 @@ Gem::Specification.new do |spec|
   spec.require_paths        = ["lib"]
 
   spec.add_dependency "typhoeus", "~> 1.3"
-  spec.add_dependency "faraday", ">= 0.9.0", "< 1"
+  spec.add_dependency "faraday", ">= 0.9.0", "< 2"
   spec.add_dependency "faraday_middleware", '~> 0.10'
   spec.add_dependency "faraday-sunset", '~> 0.2'