update yara template

Lowercase network transport

salt/soc/defaults.yaml

@@ -2622,6 +2622,7 @@ soc:
               This is a YARA rule template. Replace all template values with your own values.
               The YARA rule name is the unique identifier for the rule.
               Docs: https://yara.readthedocs.io/en/stable/writingrules.html#writing-yara-rules
+              Delete these comments before attempting to "Create" the rule
               */
 
               rule Example // This identifier _must_ be unique