Bump webmock from 3.12.2 to 3.18.1

[dependabot]

Bumps webmock from 3.12.2 to 3.18.1.

Changelog

Sourced from webmock's changelog.

3.18.1

• Reverted simplified connection handing in Net::HTTP adapter due to bblimke/webmock#999

3.18.0

• Net::BufferedIO is not replaced anymore.

  Thanks to Ray Zane

• Simplified connection handing in Net::HTTP adapter.

  Thanks to Ray Zane

3.17.1

• Fixed Syntax Error

  Thanks to Mark Spangler

3.17.0

• Minimum required Ruby version is 2.3

  Thanks to Go Sueyoshi

• When using Net::HTTP, stubbed socket StubSocket#close and StubSocket#closed? behave more like the real sockets.

  Thanks to Ray Zane

• Added peeraddr, ssl_version and cipher methods to stubbed sockets used by Net::HTTP.

  Thanks to Ray Zane

• Added support for matching top-level array in JSON request body.

  E.g.

  stub_request(:post, 'www.example.com').with(body: [{a: 1}])
  

  Thanks to Cedric Sohrauer

3.16.2

• Minimum required Ruby version is 2.0.

3.16.0 (yanked)

... (truncated)

Commits

• 8265143 Version 3.18.1
• 4baddbf Revert "Merge pull request #992 from rzane/request-connect"
• 8d6530f Version 3.18.0
• 0b58e12 Merge pull request #998 from mockdeep/patch-1
• 2c10bd9 Merge pull request #992 from rzane/request-connect
• 102dd56 Merge pull request #991 from rzane/bufferedio
• 0aecbd3 fix FakeWeb link
• d1de530 Added information to the CHANGELOG about yanked versions 3.16.0 and 3.15.0
• b82c983 Version 3.17.1
• 5bdd4ac Merge pull request #994 from mspangler/master
• Additional commits viewable in compare view

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