refactor: update v2 resource update endpoints to use PUT method instead of POST (#5657)

crates/openapi/src/routes/business_profile.rs

@@ -119,7 +119,7 @@ pub async fn business_profile_update() {}
 ///
 /// Update the *business profile*
 #[utoipa::path(
-    post,
+    put,
     path = "/v2/profiles/{profile_id}",
     params(
         ("profile_id" = String, Path, description = "The unique identifier for the business profile")

crates/openapi/src/routes/merchant_account.rs

@@ -185,7 +185,7 @@ pub async fn update_merchant_account() {}
 ///
 /// Updates details of an existing merchant account. Helpful in updating merchant details such as email, contact details, or other configuration details like webhook, routing algorithm etc
 #[utoipa::path(
-    post,
+    put,
     path = "/v2/accounts/{id}",
     request_body (
         content = MerchantAccountUpdate,

crates/openapi/src/routes/merchant_connector_account.rs

@@ -240,7 +240,7 @@ pub async fn connector_update() {}
 /// To update an existing Merchant Connector account. Helpful in enabling/disabling different payment methods and other settings for the connector
 #[cfg(feature = "v2")]
 #[utoipa::path(
-    post,
+    put,
     path = "/v2/connector_accounts/{id}",
     request_body(
         content = MerchantConnectorUpdate,