Run micronaut tests against multiple versions

[pavolloffay]

Run micronaut tests against the first - 1.0.0 and the latest 2.x version.

Basically fix https://github.com/hypertrace/javaagent/pull/229/files#diff-05fd5c2c99942a667f77732e3c79434919ff20bad80f7c132789d55c5d7f6017R26