Pact Foundation

<https://github.com/pact-foundation/pact-ruby-standalone/pull/155|#155 fix(deps): use rack-reverse-proxy pact-foundation fork>
Pull request opened by <https://github.com/YOU54F|YOU54F>
• update to rack-test 2.1.0
<https://github.com/pact-foundation/pact-ruby-standalone|pact-foundation/pact-ruby-standalone>
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<https://github.com/pact-foundation/pact-ruby-standalone/pull/155|#155 fix(deps): use rack-reverse-proxy pact-foundation fork>
Pull request merged by <https://github.com/YOU54F|YOU54F>
<https://github.com/pact-foundation/pact-ruby-standalone|pact-foundation/pact-ruby-standalone>