Bump io.micrometer:micrometer-tracing-bom (#9606)

Bumps [io.micrometer:micrometer-tracing-bom](https://github.com/micrometer-metrics/tracing) from 1.4.0-RC1 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
...

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

build.gradle

@@ -92,7 +92,7 @@ ext {
     lettuceVersion = '6.4.0.RELEASE'
     log4jVersion = '2.24.1'
     mailVersion = '2.0.3'
-    micrometerTracingVersion = '1.4.0-RC1'
+    micrometerTracingVersion = '1.4.0-SNAPSHOT'
     micrometerVersion = '1.14.0-SNAPSHOT'
     mockitoVersion = '5.14.2'
     mongoDriverVersion = '5.2.0'