[Ref Archs] Support IO Limiting

[lucasvaltl]

Description

Support IO limiting on Self-Hosted / our reference architectures (especially the single cluster one) in the same way we do on SaaS.

Context

• Internal document about scoping this
• Another internal document

--> @ Worksapce team - no action needed as of now. This is something we want to do for the GA of ref archs, so will be a bit out.

[stale]

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