fix(deps): update dependency com.couchbase.client:kotlin-client to v1.4.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.couchbase.client:kotlin-client (source)	1.3.2 -> 1.4.0

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[github-actions]

Code Coverage

Total Project Coverage	85.56%	✅

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 84.84%. Comparing base (9549acb) to head (c4b89d5).
Report is 4 commits behind head on main.

❗ Current head c4b89d5 differs from pull request most recent head a162988

Please upload reports for the commit a162988 to get more accurate results.

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #475   +/-   ##
=======================================
  Coverage   84.84%   84.84%           
=======================================
  Files          84       84           
  Lines        2032     2032           
  Branches       88       88           
=======================================
  Hits         1724     1724           
  Misses        252      252           
  Partials       56       56           

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