Make all durability policy names constants (#17448) #531

Job	Run time
Build and push vttestserver (mysql80)	2m 29s
Build and push lite (latest)	4m 33s
Build and push lite (percona80)	4m 53s
Build and push (bullseye, vtadmin)	1m 21s
Build and push (bullseye, vtorc)	41s
Build and push (bullseye, vtgate)	50s
Build and push (bullseye, vttablet)	45s
Build and push (bullseye, mysqlctld)	42s
Build and push (bullseye, mysqlctl)	35s
Build and push (bullseye, vtctl)	43s
Build and push (bullseye, vtctlclient)	41s
Build and push (bullseye, vtctld)	1m 28s
Build and push (bullseye, vtctldclient)	44s
Build and push (bullseye, logrotate)	18s
Build and push (bullseye, logtail)	23s
Build and push (bullseye, vtbackup)	49s
Build and push (bullseye, vtexplain)	43s
Build and push (bookworm, vtadmin)	1m 22s
Build and push (bookworm, vtorc)	41s
Build and push (bookworm, vtgate)	43s
Build and push (bookworm, vttablet)	45s
Build and push (bookworm, mysqlctld)	53s
Build and push (bookworm, mysqlctl)	46s
Build and push (bookworm, vtctl)	45s
Build and push (bookworm, vtctlclient)	48s
Build and push (bookworm, vtctld)	1m 43s
Build and push (bookworm, vtctldclient)	46s
Build and push (bookworm, logrotate)	19s
Build and push (bookworm, logtail)	27s
Build and push (bookworm, vtbackup)	44s
Build and push (bookworm, vtexplain)	44s
Slack Notification if failed	0s
	34m 4s

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