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

• Support fetching without the --progress option
• Update to node20

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This PR has been generated by Mend Renovate. View repository job log here.

[github-actions]

BenchmarkDotNet v0.13.7, Ubuntu 22.04.3 LTS (Jammy Jellyfish)
Intel Xeon Platinum 8272CL CPU 2.60GHz, 1 CPU, 2 logical and 2 physical cores
.NET SDK 7.0.400
  [Host]     : .NET 7.0.10 (7.0.1023.36312), X64 RyuJIT AVX2
  DefaultJob : .NET 7.0.10 (7.0.1023.36312), X64 RyuJIT AVX2

Method	Mean	Error	StdDev	Median	Gen0	Allocated
MD5_Model_To_Hex	2.616 μs	0.0060 μs	0.0051 μs	2.615 μs	0.0725	1.34 KB
SHA1_Model_To_Hex	2.870 μs	0.0083 μs	0.0074 μs	2.870 μs	0.0801	1.49 KB
SHA256_Model_To_Hex	3.562 μs	0.0127 μs	0.0113 μs	3.567 μs	0.1030	1.93 KB
SHA512_Model_To_Hex	5.611 μs	0.0129 μs	0.0115 μs	5.611 μs	0.1678	3.12 KB