Update open-test-reporting to 0.1.0-M2

[Marc Philipp]

In order to publish the fix for ota4j-team/open-test-reporting#105 a new release of open-test-reporting should be published and the dependency from JUnit Platform should be update.

Deliverables

• Release 0.1.0-M2 of open-test-reporting
• Update dependency to open-test-reporting