fix: add tests for extraLabels

assets/auto-deploy-app/templates/_helpers.tpl

assets/auto-deploy-app/test/templates/cronjob_test.go

.../auto-deploy-app/test/templates/db_initialize_job_test.go

...ts/auto-deploy-app/test/templates/db_migrate_hook_test.go

assets/auto-deploy-app/test/templates/deployment_test.go

assets/auto-deploy-app/test/templates/hpa_test.go

...ts/auto-deploy-app/test/templates/service_account_test.go

assets/auto-deploy-app/test/templates/service_test.go

...s/auto-deploy-app/test/templates/workerdeployment_test.go