Fix "add_action" accepted args (#45862)

* Fix "add_action" accepted args

Fixing the "add_action" accepted args on the examples

* Add changefile(s) from automation for the following project(s): woocommerce-blocks

---------

Co-authored-by: github-actions <github-actions@github.com>

plugins/woocommerce-blocks/docs/third-party-developers/extensibility/checkout-block/additional-checkout-fields.md

@@ -402,7 +402,7 @@ add_action(
 		}
 	},
 	10,
-	4
+	3
 );
 ```
 
@@ -524,11 +524,9 @@ add_action(
 				return $error;
 			},
 			10,
-			4
+			3
 		);
-	},
-	10,
-	4
+	}
 );
 
 add_action(

plugins/woocommerce/changelog/45862-patch-4

@@ -0,0 +1,4 @@
+Significance: patch
+Type: update
+Comment: No changelog needed, this is just a docs update
+