docs - caching updates (#42857)

docs/configuring-metabase/caching.md

docs/configuring-metabase/images/data-caching-settings.png

docs/data-modeling/images/model-caching-custom.png

docs/data-modeling/models.md

docs/paid-features/overview.md

docs/questions/native-editor/writing-sql.md

docs/questions/query-builder/introduction.md

docs/troubleshooting-guide/timeout.md