docs: mermaid diagrams broken in tabs

[mhornbacher]

Path: /guides/use-cases/data-processing-etl

When navigating between workflow patterns the diagrams are being functionally hidden due to a tiny height value.

[nicktrn]

Tried to fix but couldn't. Mintlify confirmed it's a bug. We might just get rid of the tabs in the meantime.

[mhornbacher]

Nice! Sorry for the headace. I just noticed the bug and thought it was worth reporting