Analyze Leadership Council effectiveness survey results

[Mark-Simulacrum]

Current status: a mostly-done draft of a blog post has been prepared. Targeting August 2nd meeting to confirm approval process for posting publicly.

[eholk]

The survey results blog post was published here: https://blog.rust-lang.org/2024/08/26/council-survey.html

The next steps are to figure out what actions to take in response to the findings.