[Infra] Move CocoapodsIntegrationTest/ out of repo root #8259

Job	Run time
Check changed files	0s
binary_size_metrics (iOS)	9m 58s
pod-lib-lint-abtesting (iOS)	6m 55s
pod-lib-lint-auth (iOS)	8m 36s
pod-lib-lint-database (iOS)	7m 28s
pod-lib-lint-dynamiclinks (iOS)	5m 13s
pod-lib-lint-firestore (iOS)	31m 19s
pod-lib-lint-functions (iOS)	2m 35s
pod-lib-lint-inappmessaging (iOS)	10m 16s
pod-lib-lint-messaging (iOS)	6m 38s
pod-lib-lint-performance (iOS)	11m 23s
pod-lib-lint-remoteconfig (iOS)	12m 20s
pod-lib-lint-storage (iOS)	7m 8s
create_report	3m 22s
	2h 3m 11s

Provide feedback