Bump io.micrometer:micrometer-tracing-bom from 1.4.7 to 1.4.8 (#4000)

Bumps [io.micrometer:micrometer-tracing-bom](https://github.com/micrometer-metrics/tracing) from 1.4.7 to 1.4.8.
- [Release notes](https://github.com/micrometer-metrics/tracing/releases)
- [Commits](micrometer-metrics/tracing@v1.4.7...v1.4.8)

---
updated-dependencies:
- dependency-name: io.micrometer:micrometer-tracing-bom
  dependency-version: 1.4.8
  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>

Author: dependabot[bot]

build.gradle

@@ -63,7 +63,7 @@ ext {
 	log4jVersion = '2.24.3'
 	micrometerDocsVersion = '1.0.4'
 	micrometerVersion = '1.14.8'
-	micrometerTracingVersion = '1.4.7'
+	micrometerTracingVersion = '1.4.8'
 	mockitoVersion = '5.14.2'
 	reactorVersion = '2024.0.7'
 	scalaVersion = '2.13'