chore(deps): update test-infra to v6.9.0 #3438

Job	Run time
lint-check	46s
Select Jobs	4s
Schedule (all, registry1, upgrade) / Test	24m 40s
Schedule (all, unicorn, upgrade) / Test	25m 0s
Schedule (all, registry1, install) / Test	16m 28s
Schedule (all, unicorn, install) / Test	14m 28s
Schedule (all, upstream, upgrade) / Test	22m 29s
Schedule (all, upstream, install) / Test	15m 17s
Compliance Evaluation (upstream) / Evaluate	31s
Compliance Evaluation (unicorn) / Evaluate	26s
Compliance Evaluation (registry1) / Evaluate	29s
	2h 0m 38s

Provide feedback