chore(deps): update actions/checkout action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v3 -> v4

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Release Notes

actions/checkout (actions/checkout)

v4

Compare Source

• Bump the minor-npm-dependencies group across 1 directory with 4 updates by @​dependabot in https://github.com/actions/checkout/pull/1739
• Bump actions/checkout from 3 to 4 by @​dependabot in https://github.com/actions/checkout/pull/1697
• Check out other refs/* by commit by @​orhantoy in https://github.com/actions/checkout/pull/1774
• Pin actions/checkout's own workflows to a known, good, stable version. by @​jww3 in https://github.com/actions/checkout/pull/1776

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (62b38b9) 100.00% compared to head (685c90d) 100.00%.

Additional details and impacted files

@@            Coverage Diff            @@
##            master      #341   +/-   ##
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  Coverage   100.00%   100.00%           
=========================================
  Files            3         3           
  Lines          158       158           
  Branches        18        18           
=========================================
  Hits           158       158           

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