Bump logbook.version from 2.8.0 to 2.9.0 (#1091)
Bump logbook.version from 2.8.0 to 2.9.0 (#1091)

Bumps `logbook.version` from 2.8.0 to 2.9.0.

Updates `logbook-core` from 2.8.0 to 2.9.0
- [Release notes](https://github.com/zalando/logbook/releases)
- [Commits](https://github.com/zalando/logbook/compare/2.8.0...2.9.0)

Updates `logbook-json` from 2.8.0 to 2.9.0
- [Release notes](https://github.com/zalando/logbook/releases)
- [Commits](https://github.com/zalando/logbook/compare/2.8.0...2.9.0)

Updates `logbook-spring-boot-autoconfigure` from 2.8.0 to 2.9.0
- [Release notes](https://github.com/zalando/logbook/releases)
- [Commits](https://github.com/zalando/logbook/compare/2.8.0...2.9.0)

Signed-off-by: dependabot[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@github.com>

Co-authored-by: dependabot[bot] <1c358da00a777d4e9898c1280ab801e2df165188@users.noreply.github.com>
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