[management] Add validate flow response

[mlsmaycon]

Describe your changes

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

Issue ticket number and link

Stack

Checklist

• Is it a bug fix
• Is a typo/documentation fix
• Is a feature enhancement
• It is a refactor
• Created tests that fail without the change (if possible)
• Extended the README / documentation, if necessary

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[Copilot]

Pull Request Overview

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

Reviewed Changes

Copilot reviewed 8 out of 9 changed files in this pull request and generated 4 comments.

Show a summary per file

File	Description
management/server/integrations/integrated_validator/interface.go	Adds ValidateFlowResponse method to IntegratedValidator interface
management/server/grpcserver.go	Integrates validator into GRPC server and uses it to validate PKCE flows
management/server/integrated_validator.go	Updates mock validator to implement new interface
management/cmd/management.go	Passes integrated validator to server constructor
management/server/management_test.go	Updates test to include mock validator
management/server/management_proto_test.go	Updates test to include mock validator
management/client/client_test.go	Updates test to include mock validator
go.mod	Updates management-integrations dependency version

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
1 Accepted issue

Measures
0 Security Hotspots
No data about Coverage
0.0% Duplication on New Code

See analysis details on SonarQube Cloud