CFE-4244: Added the function name to the result cache key (3.21.x) #821

Job	Run time
shellcheck_tests / Run shellcheck on shell scripts	1m 57s
unit_tests / Run Unit Tests	3m 30s
asan_unit_tests / asan_unit_tests	3m 59s
acceptance_tests / acceptance_tests	43m 18s
cifuzz_tests / Fuzzing	6m 44s
macos_unit_tests / macos_unit_tests	6m 10s
valgrind_tests / valgrind_tests	7m 6s
	1h 12m 44s

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