zipkin 3.0.2 (new formula)

[codefromthecrypt]

• 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 HOMEBREW_NO_INSTALL_FROM_API=1 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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[codefromthecrypt]

bumped to 3.0.0 and will sort out the service stuff next

[codefromthecrypt]

thanks for the advice @chenrui333! zipkin is now a service.

[chenrui333]

@codefromthecrypt, thanks for your contribution to Homebrew! 🎉 🥇

Without awesome contributors like you, it would be impossible to maintain Homebrew to the high level of quality users have come to expect. Thank you!!!!

[github-actions]

@chenrui333 has requested bottles to be published to this PR.

[codefromthecrypt]

awesome