Bump brave from 5.14.1 to 5.15.0 (#154)

Bumps [brave](https://github.com/openzipkin/brave) from 5.14.1 to 5.15.0.
- [Release notes](https://github.com/openzipkin/brave/releases)
- [Changelog](https://github.com/openzipkin/brave/blob/master/RELEASE.md)
- [Commits](openzipkin/brave@5.14.1...5.15.0)

---
updated-dependencies:
- dependency-name: io.zipkin.brave:brave
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

pom.xml

@@ -68,7 +68,7 @@
     <sonar.organization>dropwizard</sonar.organization>
     <sonar.host.url>https://sonarcloud.io</sonar.host.url>
 
-    <brave.version>5.14.1</brave.version>
+    <brave.version>5.15.0</brave.version>
     <dropwizard.version>2.1.4</dropwizard.version>
     <lettuce.version>6.2.2.RELEASE</lettuce.version>
     <redis-mock.version>1.0.6</redis-mock.version>