Bump io.micrometer:micrometer-bom from 1.13.3 to 1.13.4

Bumps [io.micrometer:micrometer-bom](https://github.com/micrometer-metrics/micrometer) from 1.13.3 to 1.13.4.
- [Release notes](https://github.com/micrometer-metrics/micrometer/releases)
- [Commits](micrometer-metrics/micrometer@v1.13.3...v1.13.4)

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

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

dubbo-dependencies-bom/pom.xml

@@ -120,7 +120,7 @@
     <snakeyaml_version>2.3</snakeyaml_version>
     <commons_lang3_version>3.17.0</commons_lang3_version>
     <envoy_api_version>0.1.35</envoy_api_version>
-    <micrometer.version>1.13.3</micrometer.version>
+    <micrometer.version>1.13.4</micrometer.version>
     <opentelemetry.version>1.39.0</opentelemetry.version>
     <zipkin-reporter.version>3.4.0</zipkin-reporter.version>
     <micrometer-tracing.version>1.3.3</micrometer-tracing.version>

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

@@ -36,7 +36,7 @@
   </modules>
 
   <properties>
-    <micrometer.version>1.13.3</micrometer.version>
+    <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>3.4.0</zipkin-reporter.version>