Bump io.micrometer:micrometer-tracing-bom from 1.3.7 to 1.3.8 (#9769)

Bumps [io.micrometer:micrometer-tracing-bom](https://github.com/micrometer-metrics/tracing) from 1.3.7 to 1.3.8.
- [Release notes](https://github.com/micrometer-metrics/tracing/releases)
- [Commits](https://github.com/micrometer-metrics/tracing/compare/v1.3.7...v1.3.8)

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

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build.gradle

@@ -93,7 +93,7 @@ ext {
     lettuceVersion = '6.3.2.RELEASE'
     log4jVersion = '2.23.1'
     mailVersion = '2.0.3'
-    micrometerTracingVersion = '1.3.7'
+    micrometerTracingVersion = '1.3.8'
     micrometerVersion = '1.13.9'
     mockitoVersion = '5.11.0'
     mongoDriverVersion = '5.0.1'