Bump webmock from 3.7.6 to 3.9.3

Bumps webmock from 3.7.6 to 3.9.3.

Changelog

Sourced from webmock's changelog.

3.9.3

• Make httpclient_adapter thread-safe

  Thanks to Adam Harwood

3.9.2

• Made global stubs thread-safe

  Thanks to Adam Harwood

3.9.1

• Fixed support for passing URI objects as second argument of stub_request

  Thanks to Ryan Kerr

3.9.0

• Allow using a "callable" (like a proc) as URI pattern

  stub_request(:any, ->(uri) { true })

  Thanks to John Hawthorn

• Added stubbed IO on stubbed socket in Net::HTTP adapter.

  Thanks to Thilo Rusche

• When 'webmock/rspec' is required, reset WebMock after all after(:each/example) hooks

  Thanks to Andrew Stuntz

• Fixed net_connect_allowed? when invoked with no arguments, when there were any allowed URIs passed to disable_net_connect?.

  Thanks to Lucas Uyezu

• Fixed async-http adapter which caused Async::HTTP::Client or Async::HTTP::Internet to hang and never return a response.

  Thanks to Bruno Sutic and Samuel Williams

• Fixed warning when using async-http adapter

  Thanks to Bruno Sutic

• Dropped support for Ruby 2.3 - EOL date: 2019-03-31

• Dropped support for Ruby 2.4 - EOL date: 2020-03-31

... (truncated)

Commits

• 7fe60a8 Version 3.9.3
• a5991c7 Merge pull request #909 from adam-harwood/master
• cf3d1cf Make httpclient_adapter threadsafe
• 48cc7c5 Version 3.9.2
• d03e76a Merge pull request #908 from adam-harwood/master
• f7a1beb Make global stubs thread-safe
• 7b5023d Merge pull request #906 from xuanxu/patch-1
• c7ed0bb Fix links
• 3f3184c Version 3.9.1
• c4f4f1f Merge pull request #904 from leboshi/master
• Additional commits viewable in compare view