Added late changelog entry for SELinux fixes (3.21) #1692

Job	Run time
unit_tests / Run Unit Tests	2m 46s
shellcheck_tests / Run shellcheck on shell scripts	1m 15s
macos_unit_tests / macos_unit_tests	3m 11s
asan_unit_tests / asan_unit_tests	2m 48s
acceptance_tests / acceptance_tests	30m 0s
static_check / static_check	6m 51s
valgrind_check / valgrind_check	4m 53s
	51m 44s

Provide feedback