Update streams-bootstrap models to match v2.12.0

[torbsto]

streams-bootstrap v2.11.0 includes a couple of additions to the Helm chart that should be part of KPOps' streams-bootstrap models. Relevant changes:

• https://github.com/bakdata/streams-bootstrap/commit/737f34d9ef0a5821a44f726bd7ce2d3aa6037fb9
• https://github.com/bakdata/streams-bootstrap/commit/6d5a489852f75ed36ec564c4b2b374005103542d
• https://github.com/bakdata/streams-bootstrap/commit/e424f0bef95051d52f5bf539fd626ec780cd94b0

[sujuka99]

Edit: Updated title as streams-bootstrap v2.12.0 was released

[disrupted]

also optimizeLeaveGroupBehavior is currently missing