Bump io.micrometer:micrometer-bom from 1.15.0-RC1 to 1.15.0 (#1038)

Bumps [io.micrometer:micrometer-bom](https://github.com/micrometer-metrics/micrometer) from 1.15.0-RC1 to 1.15.0.
- [Release notes](https://github.com/micrometer-metrics/micrometer/releases)
- [Commits](micrometer-metrics/micrometer@v1.15.0-RC1...v1.15.0)

---
updated-dependencies:
- dependency-name: io.micrometer:micrometer-bom
  dependency-version: 1.15.0
  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]

gradle/libs.versions.toml

@@ -1,5 +1,5 @@
 [versions]
-micrometer = "1.15.0-RC1"
+micrometer = "1.15.0"
 junit = "5.12.2"
 javaxServlet="4.0.1"
 jmh="1.37"