Update webmock requirement from 1.21.0 to 3.9.4

[dependabot]

Updates the requirements on webmock to permit the latest version.

Changelog

Sourced from webmock's changelog.

3.9.4

• More intuitive error message when stubbed response body was provided as Hash

  Thanks to Ben Koshy

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

... (truncated)

Commits

• 771647b Version 3.9.4
• 73e0740 Merge pull request #918 from BKSpurgeon/clarify-exception-message
• d4925b5 Merge pull request #917 from BKSpurgeon/update-documentation
• 9a7f189 Fix: Clarify exception message
• d7d1b01 Fix: README - add Bash highlighting, fix white space issue that was preventin...
• 5849ba7 Update Readme: Add top level heading for better readability
• 05d2d5d Update Readme: re-order in alphabetical order
• bde594b Merge pull request #913 from BKSpurgeon/update-documentation
• 5de9bf8 Update Readme: Add note re: support for the HTTP gem, sort in
• 262e193 Merge pull request #912 from BKSpurgeon/update-documentation
• Additional commits viewable in compare view

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[dependabot]

Superseded by #119.