Bump io.zipkin.reporter2:zipkin-reporter-bom from 3.4.0 to 3.4.2 (#14710)

Bumps [io.zipkin.reporter2:zipkin-reporter-bom](https://github.com/openzipkin/zipkin-reporter-java) from 3.4.0 to 3.4.2.
- [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...3.4.2)

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

Author: dependabot[bot]

dubbo-dependencies-bom/pom.xml

@@ -122,7 +122,7 @@
     <envoy_api_version>0.1.35</envoy_api_version>
     <micrometer.version>1.13.4</micrometer.version>
     <opentelemetry.version>1.39.0</opentelemetry.version>
-    <zipkin-reporter.version>3.4.0</zipkin-reporter.version>
+    <zipkin-reporter.version>3.4.2</zipkin-reporter.version>
     <micrometer-tracing.version>1.3.3</micrometer-tracing.version>
     <t_digest.version>3.3</t_digest.version>
     <prometheus_client.version>0.16.0</prometheus_client.version>

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

@@ -39,7 +39,7 @@
     <micrometer.version>1.13.4</micrometer.version>
     <micrometer-tracing.version>1.3.3</micrometer-tracing.version>
     <opentelemetry.version>1.42.0</opentelemetry.version>
-    <zipkin-reporter.version>3.4.1</zipkin-reporter.version>
+    <zipkin-reporter.version>3.4.2</zipkin-reporter.version>
     <prometheus-client.version>0.16.0</prometheus-client.version>
   </properties>