ci(tests/private-packages): Add SAML, auth controller and workflow #8738

Job	Run time
Check actor permissions	2s
Add labels based on Conventional Commit title	6s
Validate Conventional Commit title	4s
Build API Image / Build and verify flagsmith-api image	1m 36s
Build Frontend Image / Build and verify flagsmith-frontend image	1m 25s
Build E2E Image / Build flagsmith-e2e image	36s
Build Unified Image / Build and verify flagsmith image	2m 4s
Build Private Cloud Image / Build and verify flagsmith-private-cloud image	2m 4s
run-e2e-tests (segment-part-1 environment, 1) / E2E: segment-part-1 environment	4m 14s
run-e2e-tests (segment-part-2, 1) / E2E: segment-part-2	4m 39s
run-e2e-tests (segment-part-3 signup flag invite project, 2) / E2E: segment-part-3 signup flag invite project	4m 6s
run-e2e-tests (versioning, 1) / E2E: versioning	3m 39s
	24m 35s

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