CI: rename `TestSchemaChange` to distinguish the tests #968

Job	Run time
Set push variable	1s
Build and push lite (latest)	2m 23s
Build and push vttestserver (mysql80)	2m 7s
Build and push lite (percona80)	2m 19s
Build and push (bullseye, vtadmin)	1m 9s
Build and push (bullseye, vtorc)	37s
Build and push (bullseye, vtgate)	41s
Build and push (bullseye, vttablet)	35s
Build and push (bullseye, mysqlctld)	49s
Build and push (bullseye, mysqlctl)	30s
Build and push (bullseye, vtctl)	27s
Build and push (bullseye, vtctlclient)	27s
Build and push (bullseye, vtctld)	1m 19s
Build and push (bullseye, vtctldclient)	48s
Build and push (bullseye, logrotate)	30s
Build and push (bullseye, logtail)	27s
Build and push (bullseye, vtbackup)	27s
Build and push (bullseye, vtexplain)	41s
Build and push (bookworm, vtadmin)	1m 15s
Build and push (bookworm, vtorc)	40s
Build and push (bookworm, vtgate)	43s
Build and push (bookworm, vttablet)	41s
Build and push (bookworm, mysqlctld)	38s
Build and push (bookworm, mysqlctl)	39s
Build and push (bookworm, vtctl)	51s
Build and push (bookworm, vtctlclient)	48s
Build and push (bookworm, vtctld)	1m 13s
Build and push (bookworm, vtctldclient)	46s
Build and push (bookworm, logrotate)	32s
Build and push (bookworm, logtail)	24s
Build and push (bookworm, vtbackup)	42s
Build and push (bookworm, vtexplain)	38s
	26m 47s

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