Bump io.micrometer:micrometer-tracing-bom (#9424)

Bumps [io.micrometer:micrometer-tracing-bom](https://github.com/micrometer-metrics/tracing) from 1.4.0-M2 to 1.4.0-SNAPSHOT.
- [Release notes](https://github.com/micrometer-metrics/tracing/releases)
- [Commits](https://github.com/micrometer-metrics/tracing/commits)

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

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

build.gradle

@@ -93,7 +93,7 @@ ext {
     lettuceVersion = '6.4.0.RELEASE'
     log4jVersion = '2.23.1'
     mailVersion = '2.0.3'
-    micrometerTracingVersion = '1.4.0-M2'
+    micrometerTracingVersion = '1.4.0-SNAPSHOT'
     micrometerVersion = '1.14.0-SNAPSHOT'
     mockitoVersion = '5.12.0'
     mongoDriverVersion = '5.1.3'