[MP-4766] Update no_cache docs

[archwa]

Pull Request/Issue Resolution

Description of Change:

I'm changing Connected Content no_cache docs to help customers understand that even if the no_cache option is used in Connected Content, we will still cache the response if the host is internal to Braze. This will help to avoid any possible confusion if customers wonder why Braze-to-Braze Connected Content GET requests are not being cached despite using the no_cache option.

Closes MP-4766

Is this change associated with a Braze feature/product release?

• Yes (2024-05-21)
• No

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[lydia-xie]

lgtm!