Bump io.micrometer:micrometer-registry-prometheus from 1.12.2 to 1.12.3

Bumps [io.micrometer:micrometer-registry-prometheus](https://github.com/micrometer-metrics/micrometer) from 1.12.2 to 1.12.3.
- [Release notes](https://github.com/micrometer-metrics/micrometer/releases)
- [Commits](micrometer-metrics/micrometer@v1.12.2...v1.12.3)

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

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle.kts

@@ -9,7 +9,7 @@ val kotlinLoggerVersion = "3.0.5"
 val ktorVersion = "2.3.8"
 val logbackVersion = "1.5.0"
 val logstashVersion = "7.4"
-val micrometerVersion = "1.12.2"
+val micrometerVersion = "1.12.3"
 val mockOauthVersion = "2.1.2"
 val mockkVersion = "1.13.9"
 val navCommonVersion = "2.2023.01.10_13.49-81ddc732df3a"