Stats: Use option value instead of transient for cache buster #91899

Job	Run time
Determine tests matrix	1m 3s
Determine tests matrix	1m 3s
E2E: Build jetpack-core	4m 6s
E2E: Build jetpack-core	4m 6s
Jetpack connection e2e tests	3m 58s
Jetpack connection e2e tests	3m 58s
Jetpack pre-connection e2e tests	2m 27s
Jetpack pre-connection e2e tests	2m 27s
Jetpack post-connection e2e tests	5m 23s
Jetpack post-connection e2e tests	4m 16s
Test report	4s
Test report	4s
Slack notification	51s
Slack notification	51s
	34m 37s

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