Add file content and owner modification probes #444

Job	Run time
Platform (aarch64) / Build	5m 55s
Platform (x86_64) / Build	1m 23s
Test (x86_64) / Kernel (amazonlinux2)	13m 31s
Test (x86_64) / Kernel (centos)	4m 0s
Test (x86_64) / Kernel (debian)	13m 34s
Test (x86_64) / Kernel (fedora)	7m 47s
Test (x86_64) / Kernel (mainline)	13m 37s
Test (x86_64) / Kernel (rocky)	4m 41s
Test (x86_64) / Kernel (ubuntu-aws)	13m 33s
Test (x86_64) / Kernel (ubuntu-azure)	13m 30s
Test (x86_64) / Kernel (ubuntu-gcp)	13m 33s
Test (x86_64) / Kernel (ubuntu-gke)	4m 29s
Test (x86_64) / Kernel (ubuntu-oem)	11m 58s
Test (x86_64) / Kernel (ubuntu-oracle)	13m 32s
Test (aarch64) / Kernel (amazonlinux2)	1m 17s
Test (aarch64) / Kernel (debian)	41s
Test (aarch64) / Kernel (fedora)	41s
Test (aarch64) / Kernel (mainline)	1m 28s
Test (aarch64) / Kernel (rocky)	1m 8s
Test (aarch64) / Kernel (ubuntu-aws)	49s
Test (aarch64) / Kernel (ubuntu-azure)	57s
Test (aarch64) / Kernel (ubuntu-gcp)	45s
Test (aarch64) / Kernel (ubuntu-gke)	42s
Test (aarch64) / Kernel (ubuntu-oracle)	59s
CI Merge Auditor	1s
	2h 24m 31s

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