build(deps): bump actions/checkout from 4.1.7 to 4.2.0 in the official-github-actions group #211

Job	Run time
Build NGINX OSS image	26s
Test NGINX OSS image (virtual)	1m 12s
Test NGINX OSS image (virtual-v2)	1m 18s
Build NGINX OSS unprivileged image	30s
Build NGINX OSS image using latest njs commit	1m 26s
Test NGINX OSS unprivileged image	1m 13s
Test NGINX OSS image using latest njs commit	1m 18s
Tag and push all built and tested NGINX images	0s
	7m 23s

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