Bump micrometer-core from 1.9.0 to 1.9.1

Bumps [micrometer-core](https://github.com/micrometer-metrics/micrometer) from 1.9.0 to 1.9.1.
- [Release notes](https://github.com/micrometer-metrics/micrometer/releases)
- [Commits](micrometer-metrics/micrometer@v1.9.0...v1.9.1)

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

Signed-off-by: dependabot[bot] <support@github.com>

pom.xml

@@ -56,7 +56,7 @@
 
     <slf4j.version>1.7.36</slf4j.version>
     <metrics.version>4.2.9</metrics.version>
-    <micrometer.version>1.9.0</micrometer.version>
+    <micrometer.version>1.9.1</micrometer.version>
     <jackson.version>2.13.3</jackson.version>
     <logback.version>1.2.11</logback.version>
     <junit.version>4.13.2</junit.version>