The existing id field of API invalidation request only takes a single
API key ID. This PR adds a new ids field that takes an array of API
key IDs for bulk invalidation.

Due to the user facing nature of this change, we need:

• Deprecation handling for the existing id field
• Unit and Integ tests for both id and ids
• YAML tests for both id and ids
• Doc update and tests for both id and ids
• Client code, doc and tests for both id and ids

I am not labeling it as v7.10.0 because I am not 100% sure this could make it. The changes are wider than I expected. In addition to the above list, we also have:

• Any tests using API key invalidation (with ID) as a helper needs to handle deprecation warning
• Manage own API key needs to adjust for testing multiple IDs

Resolves: #47609