actions: Make sure affinity learnt flows are auto deleted. #2594

Job	Run time
osx clang --disable-ssl	4m 21s
linux gcc --disable-ssl	2m 17s
linux clang --disable-ssl	2m 25s
linux gcc test -500	11m 52s
linux gcc test 501-1000	8m 43s
linux gcc test 1001-	4m 9s
linux clang test sanitizers -300	9m 30s
linux clang test sanitizers 301-600	12m 5s
linux clang test sanitizers 601-900	7m 8s
linux clang test sanitizers 901-1200	5m 52s
linux clang test sanitizers 1201-	5m 21s
linux gcc test -ljemalloc -500	12m 8s
linux gcc test -ljemalloc 501-1000	9m 4s
linux gcc test -ljemalloc 1001-	4m 22s
linux clang test -ljemalloc -500	12m 8s
linux clang test -ljemalloc 501-1000	9m 12s
linux clang test -ljemalloc 1001-	4m 26s
linux gcc system-test -100	11m 9s
linux gcc system-test 101-200	16m 38s
linux gcc system-test 201-	17m 27s
linux clang system-test sanitizers -100	12m 18s
linux clang system-test sanitizers 101-200	17m 55s
linux clang system-test sanitizers 201-	18m 36s
linux x86 gcc --disable-ssl	2m 15s
	3h 41m 21s

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