Update actions/checkout action to v4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
actions/checkout	action	major	v2 -> v4

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Release Notes

actions/checkout (actions/checkout)

v4

Compare Source

• Check out other refs/* by commit if provided, fall back to ref by @​orhantoy in https://github.com/actions/checkout/pull/1924

v3

Compare Source

• Fix: Mark test scripts with Bash'isms to be run via Bash
• Add option to fetch tags even if fetch-depth > 0

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Configuration

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[coveralls]

Pull Request Test Coverage Report for Build 8374518370

Details

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 89.715%

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Totals
Change from base Build 8374512864:	0.0%
Covered Lines:	4623
Relevant Lines:	5153

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💛 - Coveralls

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 89.83%. Comparing base (55899c8) to head (04de035).
Report is 12 commits behind head on master.

❗ Current head 04de035 differs from pull request most recent head 5635c6b

Please upload reports for the commit 5635c6b to get more accurate results.

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #89      +/-   ##
==========================================
+ Coverage   89.68%   89.83%   +0.15%     
==========================================
  Files          57       57              
  Lines        5159     5246      +87     
==========================================
+ Hits         4627     4713      +86     
- Misses        532      533       +1     

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