Merge pull request #277 from signalfx/dependabot/maven/io.micrometer-micrometer-core-1.9.4

Bump micrometer-core from 1.9.2 to 1.9.4

Author: breedx-splk

micrometer-registry-signalfx/pom.xml

@@ -57,7 +57,7 @@
     <dependency>
       <groupId>io.micrometer</groupId>
       <artifactId>micrometer-core</artifactId>
-      <version>1.9.2</version>
+      <version>1.9.4</version>
     </dependency>
 
     <!-- test -->