Update firewall rule action description

Author: bbiggerr

openapi.yaml

@@ -9817,6 +9817,7 @@ paths:
               - rules
               - inbound_policy
               - outbound_policy
+              - action
               properties:
                 devices:
                   type: object
@@ -16592,8 +16593,6 @@ components:
           description: |
             The inbound and outbound access rules to apply to the Firewall.
 
-            `inbound_policy` and `outbound_policy` are required when creating a new Firewall.
-
             A Firewall may have up to 25 rules across its inbound and outbound rulesets.
           properties:
             inbound:
@@ -16691,7 +16690,7 @@ components:
           - ACCEPT
           - DROP
           description: |
-            The behavior for this rule. Overrides the `inbound_policy` or `outbound_policy` for the Firewall.
+            Controls whether traffic is accepted or dropped by this rule. Overrides the Firewall's `inbound_policy` if this is an inbound rule, or the `outbound_policy` if this is an outbound rule.
           example: ACCEPT
         label:
           type: string