Bump io.micrometer:micrometer-tracing-bom from 1.2.0 to 1.2.1 (#8816)

Bumps [io.micrometer:micrometer-tracing-bom](https://github.com/micrometer-metrics/tracing) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/micrometer-metrics/tracing/releases)
- [Commits](https://github.com/micrometer-metrics/tracing/compare/v1.2.0...v1.2.1)

---
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

@@ -91,7 +91,7 @@ ext {
     lettuceVersion = '6.3.0.RELEASE'
     log4jVersion = '2.21.1'
     mailVersion = '2.0.2'
-    micrometerTracingVersion = '1.2.0'
+    micrometerTracingVersion = '1.2.1'
     micrometerVersion = '1.12.0'
     mockitoVersion = '5.7.0'
     mongoDriverVersion = '4.11.1'