Bump io.micrometer:micrometer-bom from 1.15.1 to 1.15.2 (spring-projects#10232)

Bumps [io.micrometer:micrometer-bom](https://github.com/micrometer-metrics/micrometer) from 1.15.1 to 1.15.2.
- [Release notes](https://github.com/micrometer-metrics/micrometer/releases)
- [Commits](micrometer-metrics/micrometer@v1.15.1...v1.15.2)

---
updated-dependencies:
- dependency-name: io.micrometer:micrometer-bom
  dependency-version: 1.15.2
  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

@@ -86,7 +86,7 @@ ext {
     log4jVersion = '2.24.3'
     mailVersion = '2.0.3'
     micrometerTracingVersion = '1.5.1'
-    micrometerVersion = '1.15.1'
+    micrometerVersion = '1.15.2'
     mockitoVersion = '5.18.0'
     mongoDriverVersion = '5.5.1'
     mysqlVersion = '9.3.0'