Bump to version 1.4.0

[anmarchenko]

Added

• Auto test retries for cucumber (#212)
• Auto test retries for RSpec (#213)
• Auto test retries for minitest (#214)
• implement auto test retries RFC (#219)

Changed

• Skip Before/After hooks in cucumber when scenario is skipped by intelligent test runner (#211)
• gem datadog 2.3 is now minimal required version (#220)
• Enable agentless telemetry when library is running in agentless mode (#221)
• Add Ruby 3.4 to the testing matrix (#217)
• add different fallbacks for unshallowing remotes (#218)
• make itr_enabled config parameter true by default (#216)
• RSpec - don't report test errors if rspec process is quitting (#215)

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.92%. Comparing base (bbee053) to head (94c7ad6).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #222 +/- ## ======================================= Coverage 98.92% 98.92% ======================================= Files 261 261 Lines 12391 12391 Branches 560 560 ======================================= Hits 12258 12258 Misses 133 133 ```

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