chore(master): release 2.4.0

[github-actions]

🤖 I have created a release beep boop

2.4.0 (2022-07-22)

Features

• LambdaTest support (#305) (eca5b8a)
• RegExp email subject matcher for Mailgun (#304) (598c9a2)
• Selenium 4 support (#303) (c5bf2d8)

Continuous Integration

• release-please integration (#307) (bd2f53e)

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This PR was generated with Release Please. See documentation.

[codecov]

Codecov Report

Merging #312 (eaf4506) into master (4d64552) will increase coverage by 0.07%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master     #312      +/-   ##
==========================================
+ Coverage   98.85%   98.92%   +0.07%     
==========================================
  Files          44       44              
  Lines        1218     1213       -5     
==========================================
- Hits         1204     1200       -4     
+ Misses         14       13       -1     

Impacted Files	Coverage Δ
lib/howitzer/email.rb	100.00% <ø> (ø)
generators/base_generator.rb	100.00% <100.00%> (ø)
lib/howitzer/capybara_helpers.rb	100.00% <100.00%> (+1.07%)	⬆️
lib/howitzer/mail_adapters/mailgun.rb	100.00% <100.00%> (ø)

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[github-actions]

🤖 Release is at https://github.com/strongqa/howitzer/releases/tag/v2.4.0 🌻