leela-zero: rebuild and update license

[branchvincent]

• Have you followed the guidelines for contributing?
• Have you ensured that your commits follow the commit style guide?
• Have you checked that there aren't other open pull requests for the same formula update/change?
• Have you built your formula locally with brew install --build-from-source <formula>, where <formula> is the name of the formula you're submitting?
• Is your test running fine brew test <formula>, where <formula> is the name of the formula you're submitting?
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This failed on linux in #122632 with no output, opening this to see if it's reproducible

[branchvincent]

Hmm no issues, may want to just merge with rebuilt bottles and rerun that pr.

License ref

[BrewTestBot]

🤖 A scheduled task has triggered a merge.