RHIDP-10933: updated section headers

Author: rh-tokeefe

modules/shared/ref-servicenow-configuration-parameters.adoc

@@ -33,7 +33,7 @@ The ServiceNow Scaffolder module requires a separate configuration block. Note t
 == Authentication examples
 The following examples demonstrate how to structure different authentication methods in your configuration.
 
-.Basic authentication example
+== Basic authentication example
 [source,yaml]
 ----
 servicenow:
@@ -43,7 +43,7 @@ servicenow:
     password: ${SERVICENOW_PASS}
 ----
 
-.OAuth with Client Credentials
+== OAuth with Client Credentials
 [source,yaml]
 ----
 servicenow:
@@ -54,7 +54,7 @@ servicenow:
     clientSecret: ${SERVICENOW_CLIENT_SECRET}
 ----
 
-.OAuth with Password Grant
+== OAuth with Password Grant
 [source,yaml]
 ----
 servicenow: