Update Gateway rules to policies (#25176)

Author: maxvp

src/content/docs/cloudflare-one/policies/gateway/identity-selectors.mdx

@@ -40,7 +40,7 @@ Specify a value from the SAML Attribute Assertion.
 
 ### User Email
 
-Use this selector to create identity-based Gateway rules based on a user's email.
+Use this selector to create identity-based Gateway policies based on a user's email.
 
 <Render
 	file="gateway/selectors/user-email"
@@ -50,7 +50,7 @@ Use this selector to create identity-based Gateway rules based on a user's email
 
 ### User Group IDs
 
-Use this selector to create identity-based Gateway rules based on an IdP group ID of which the user is configured as a member in the IdP.
+Use this selector to create identity-based Gateway policies based on an IdP group ID of which the user is configured as a member in the IdP.
 
 <Render
 	file="gateway/selectors/user-group-ids"
@@ -60,7 +60,7 @@ Use this selector to create identity-based Gateway rules based on an IdP group I
 
 ### User Group Email
 
-Use this selector to create identity-based Gateway rules based on an IdP group email address of which the user is configured as a member in the IdP.
+Use this selector to create identity-based Gateway policies based on an IdP group email address of which the user is configured as a member in the IdP.
 
 <Render
 	file="gateway/selectors/user-group-email"
@@ -70,7 +70,7 @@ Use this selector to create identity-based Gateway rules based on an IdP group e
 
 ### User Group Names
 
-Use this selector to create identity-based Gateway rules based on an IdP group name of which the user is configured as a member in the IdP.
+Use this selector to create identity-based Gateway policies based on an IdP group name of which the user is configured as a member in the IdP.
 
 <Render
 	file="gateway/selectors/user-group-names"
@@ -80,7 +80,7 @@ Use this selector to create identity-based Gateway rules based on an IdP group n
 
 ### User Name
 
-Use this selector to create identity-based Gateway rules based on an IdP username for a particular user in the IdP.
+Use this selector to create identity-based Gateway policies based on an IdP username for a particular user in the IdP.
 
 | UI name   | API example                    |
 | --------- | ------------------------------ |