[Rule Tuning] Add timeline_title to rules with timeline IDs defined (#452)

rules/linux/execution_python_tty_shell.toml

@@ -2,7 +2,7 @@
 creation_date = "2020/04/15"
 ecs_version = ["1.6.0"]
 maturity = "production"
-updated_date = "2020/10/27"
+updated_date = "2020/11/02"
 
 [rule]
 author = ["Elastic"]
@@ -20,6 +20,7 @@ rule_id = "d76b02ef-fc95-4001-9297-01cb7412232f"
 severity = "high"
 tags = ["Elastic", "Host", "Linux", "Threat Detection", "Execution"]
 timeline_id = "76e52245-7519-4251-91ab-262fb1a1728c"
+timeline_title = "Generic Process Timeline"
 type = "query"
 
 query = '''