Do not add ana spans if there are no annotations #270

Job	Run time
setup_workflow_env	1s
setup_workflow_env	1s
generate_workflow_vars	1s
generate_workflow_vars	1s
generate_workflow_vars-shawi	1s
generate_workflow_vars-shawi	1s
generate_workflow_vars-tunocent	1s
generate_workflow_vars-tunocent	1s
generate_workflow_vars-wibarab	1s
generate_workflow_vars-wibarab	1s
_2 / test	6m 6s
_2 / test	6m 36s
_1-shawi / build_and_push_to_registry	4m 16s
_1-shawi / build_and_push_to_registry	4m 22s
_1 / build_and_push_to_registry	4m 52s
_1 / build_and_push_to_registry	4m 53s
_1-wibarab / build_and_push_to_registry	4m 20s
_1-wibarab / build_and_push_to_registry	4m 37s
_1-tunocent / build_and_push_to_registry	4m 45s
_1-tunocent / build_and_push_to_registry	5m 9s
_3-shawi / deploy-cluster-2	1m 14s
_3-shawi / deploy-cluster-2	38s
_3-wibarab / deploy	1m 28s
_3-wibarab / deploy	37s
_3-tunocent / deploy	1m 49s
_3-tunocent / deploy	31s
_3 / deploy	1m 18s
_3 / deploy	26s
	58m 7s

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