Update + add more jmx receiver integration tests. (#5176)
Update + add more jmx receiver integration tests. (#5176)

* Update + add more jmx receiver integration tests.

- Add JMX test for latest JMX jar release
- Update integration tests to check multiple versions of JMX jar

* Fixes from review.
open-telemetry/opentelemetry-collector-contrib,open-telemetry/opentelemetry-collector-contrib