chore(deps): bump micrometer-core from 1.8.0 to 1.8.1 (#741)

Author: dependabot[bot]

pom.xml

@@ -52,7 +52,7 @@
         <assertj.version>3.21.0</assertj.version>
         <awaitility.version>4.1.1</awaitility.version>
         <spring-boot.version>2.6.1</spring-boot.version>
-        <micrometer-core.version>1.8.0</micrometer-core.version>
+        <micrometer-core.version>1.8.1</micrometer-core.version>
 
         <fmt-maven-plugin.version>2.11</fmt-maven-plugin.version>
         <maven-compiler-plugin.version>3.8.1</maven-compiler-plugin.version>