[management] Add validate flow response (#4172)

This PR adds a validate flow response feature to the management server by integrating an IntegratedValidator component. The main purpose is to enable validation of PKCE authorization flows through an integrated validator interface.

- Adds a new ValidateFlowResponse method to the IntegratedValidator interface
- Integrates the validator into the management server to validate PKCE authorization flows
- Updates dependency version for management-integrations

management/server/user_test.go

@@ -852,7 +852,7 @@ func TestUser_DeleteUser_RegularUsers(t *testing.T) {
 	am := DefaultAccountManager{
 		Store:                   store,
 		eventStore:              &activity.InMemoryEventStore{},
-		integratedPeerValidator: MocIntegratedValidator{},
+		integratedPeerValidator: MockIntegratedValidator{},
 		permissionsManager:      permissionsManager,
 	}