Bump ansible-core from 2.16.3 to 2.16.4 in /stack/gear/church #36

Job	Run time
Up to images (godel)	30s
Up to images (turing)	38s
Up to images (church)	49s
Stack building (godel, marx)	44s
Stack building (turing, durkheim)	44s
Stack building (turing, veblen)	50s
Stack building (church, commons)	51s
Stack checking (0, api, marx)	35s
Stack checking (0, api, durkheim)	31s
Stack checking (0, api, veblen)	29s
Stack checking (0, api, commons)	3m 23s
Stack checking (1, api, marx)	29s
Stack checking (1, api, durkheim)	35s
Stack checking (1, api, veblen)	31s
Stack checking (1, api, commons)	1m 25s
Stack publishing (api, marx)	36s
Stack reporting	3s
Stack publishing (api, durkheim)	51s
Stack publishing (api, veblen)	47s
Stack publishing (api, commons)	1m 48s
Everything is fine	1s
	17m 10s

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