add direct link

Author: SylvainJuge

jmx-scraper/README.md

@@ -11,7 +11,7 @@ This is an alternative to the [JMX Gatherer](../jmx-metrics/README.md) utility.
 This project is released as part of the [OpenTelemetry Java Contrib](https://github.com/open-telemetry/opentelemetry-java-contrib) project.
 The latest release is available from:
 
-- [GitHub Release assets](https://github.com/open-telemetry/opentelemetry-java-contrib/releases/latest)
+- [GitHub Release assets](https://github.com/open-telemetry/opentelemetry-java-contrib/releases/latest/download/opentelemetry-jmx-scraper.jar)
 - [Maven Central](https://central.sonatype.com/artifact/io.opentelemetry.contrib/opentelemetry-jmx-scraper)or can be browsed via [MVN Repository](https://mvnrepository.com/artifact/io.opentelemetry.contrib/opentelemetry-jmx-scraper).
 
 ## Usage