Add support for GraalVM Native GC metrics (#8913)

Author: ygree

dd-java-agent/agent-jmxfetch/build.gradle

@@ -11,7 +11,7 @@ plugins {
 apply from: "$rootDir/gradle/java.gradle"
 
 dependencies {
-  api('com.datadoghq:jmxfetch:0.49.7') {
+  api('com.datadoghq:jmxfetch:0.49.8') {
     exclude group: 'org.slf4j', module: 'slf4j-api'
     exclude group: 'org.slf4j', module: 'slf4j-jdk14'
     exclude group: 'com.beust', module: 'jcommander'