test: Add integration test for relationship template deletion #7776

Job	Run time
Build Helm Chart	12s
Check Formatting	1m 58s
Build consumer-api Image	3m 2s
Build admin-ui Image	3m 19s
Run Admin UI Checks	1m 10s
Build admin-cli Image	1m 48s
Run Unit Tests	2m 36s
Build database-migrator Image	2m 31s
Validate Open Source Licenses	1m 3s
Build event-handler-service Image	2m 41s
Build files-sanity-check Image	1m 21s
Build identity-deletion-jobs Image	2m 23s
Build sse-server Image	2m 37s
Run transport Tests (on sqlserver)	3m 36s
Run admin-api Integration Tests (on sqlserver)	3m 20s
Run transport Tests (on postgres)	3m 8s
Run consumer-api Integration Tests (on sqlserver)	3m 46s
Run identity-deletion-job Integration Tests (on sqlserver)	2m 55s
Run admin-api Integration Tests (on postgres)	3m 19s
Run consumer-api Integration Tests (on postgres)	3m 33s
Run identity-deletion-job Integration Tests (on postgres)	2m 42s
	53m 0s

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