chore(deps): bump org.yaml:snakeyaml from 2.3 to 2.6 (#3233)

Author: dependabot[bot]

sample-operators/metrics-processing/pom.xml

@@ -66,7 +66,7 @@
     <dependency>
       <groupId>org.yaml</groupId>
       <artifactId>snakeyaml</artifactId>
-      <version>2.3</version>
+      <version>2.6</version>
     </dependency>
     <dependency>
       <groupId>org.apache.logging.log4j</groupId>