Bump io.zipkin.reporter2:zipkin-reporter-bom from 3.4.0 to 3.4.1

Bumps [io.zipkin.reporter2:zipkin-reporter-bom](https://github.com/openzipkin/zipkin-reporter-java) from 3.4.0 to 3.4.1.
- [Release notes](https://github.com/openzipkin/zipkin-reporter-java/releases)
- [Changelog](https://github.com/openzipkin/zipkin-reporter-java/blob/master/RELEASE.md)
- [Commits](openzipkin/zipkin-reporter-java@3.4.0...3.4.1)

---
updated-dependencies:
- dependency-name: io.zipkin.reporter2:zipkin-reporter-bom
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

dubbo-spring-boot/dubbo-spring-boot-starters/observability/pom.xml

@@ -39,7 +39,7 @@
     <micrometer.version>1.13.3</micrometer.version>
     <micrometer-tracing.version>1.3.3</micrometer-tracing.version>
     <opentelemetry.version>1.42.0</opentelemetry.version>
-    <zipkin-reporter.version>3.4.0</zipkin-reporter.version>
+    <zipkin-reporter.version>3.4.1</zipkin-reporter.version>
     <prometheus-client.version>0.16.0</prometheus-client.version>
   </properties>