AI Search Database & SOLR boost plugins are missing schema

Problem/Motivation

Schema warnings are shown on save of the two boost plugins when working in latest Drupal 11 where schema warnings are shown by default in dev envs

Steps to reproduce (required for bugs, but not feature requests)

AI Search + either SOLR or Database, then in SOLR or Database server processors enable the boost plugin and save
Warnings shown

Proposed resolution

Add schema like modules/contrib/search_api/config/schema/search_api.processor.schema.yml has

Remaining tasks

MR

Optional: Other details as applicable (e.g., User interface changes, API changes, Data model changes)

N/A