chore: release 3.0.0

[release-please[bot]]

:robot: I have created a release *beep* *boop*

3.0.0 (2020-05-20)

⚠ BREAKING CHANGES

• drop support for node.js 8.x (#440)

Bug Fixes

• apache license URL (#468) (#436) (51f5182)
• update HttpRequest to match @google-cloud/logging (#412) (0c32a6c)
• deps: update dependency google-auth-library to v6 (#427) (03c6c8a)

Build System

• drop support for node.js 8.x (#440) (b816566)

This PR was generated with Release Please.

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (master@9c41f92). Click here to learn what that means. The diff coverage is n/a.

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  Hits              ?      442           
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[bcoe]

we should make sure we release the next major of @google-cloud/logging and pull it in as a dependency before we release this or winston.

[yoshi-automation]

Release is at https://github.com/googleapis/nodejs-logging-bunyan/releases/tag/v3.0.0