Fix memory leak when using recognize_path inside Grape::API

[ericproulx]

Fix #2566

[grape-bot]

	2 Warnings
⚠️	There're library changes, but not tests. That's OK as long as you're refactoring existing code.
⚠️	Unless you're refactoring existing code or improving documentation, please update CHANGELOG.md.

Here's an example of a CHANGELOG.md entry:

* [#2567](https://github.com/ruby-grape/grape/pull/2567): Fix memory leak when using recognize_path inside grape::api - [@ericproulx](https://github.com/ericproulx).

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[Copilot]

Pull Request Overview

This PR prevents overriding recognize_path in Grape::API to address a memory leak when using that method.

• Added recognize_path to the NON_OVERRIDABLE list.
• Ensures recognize_path cannot be redefined on API classes.

Comments suppressed due to low confidence (2)

lib/grape/api.rb:8

• Add a test case to verify that recognize_path cannot be overridden on an API subclass, ensuring the memory leak fix is properly enforced.

 NON_OVERRIDABLE = %i[call call! configuration compile! inherited recognize_path].freeze 

lib/grape/api.rb:8

• [nitpick] Update related documentation or comments to mention that recognize_path is protected from overrides, so users understand why it's included in NON_OVERRIDABLE.

 NON_OVERRIDABLE = %i[call call! configuration compile! inherited recognize_path].freeze