Update MpTelemetry 2.0 for Java 8 Compatibility

[yasmin-aumeeruddy]

MpTelemetry 2.0 is compatible with Java 8 which is not currently obvious from the documentation.

Pages to update:
https://openliberty.io/docs/latest/reference/diff/mp-61-70-diff.html#tm
https://openliberty.io/docs/latest/reference/feature/mpTelemetry-2.0.html#_supported_java_versions

[dmuelle]

Hi Yasmin- The "Supported Java versions" section of the MPTelemetry 2.0 feature page is autogenerated from the feature metatype, so the fix for that will have to come from the development side. I noticed the MPT 1.0 and 1.1 also claim the same Java levels (11+).

For the differences page- is Java 8 support new with version 2.0?

[yasmin-aumeeruddy]

@dmuelle It is new with MpTelemtry 2.0 as versions 1.1 and 1.0 were not Java 8 compatible. MicroProfile 7.0, 6.1 and 6.0 are not Java 8 compatible though so the feature is only compatible on Java 8 with MicroProfie 5.0 (EE9), MicroProfile 4.1 (EE8) and MicroProfile 1.4 (EE7) . This is why it's not listed in the feature metatype. I'm not yet sure how we can make that clear in the differences page.

[dmuelle]

Hi Yasmin- I've updated both pages with the same content:

https://docs-draft-openlibertyio.mqj6zf7jocq.us-south.codeengine.appdomain.cloud/docs/latest/reference/diff/mp-61-70-diff.html#_microprofile_telemetry_2_0_and_java_se_8

https://docs-draft-openlibertyio.mqj6zf7jocq.us-south.codeengine.appdomain.cloud/docs/latest/reference/feature/mpTelemetry-2.0.html#_use_microprofile_telemetry_2_0_with_java_se_8

Does the platform versionless feature scenario work as described?

Thanks!

[yasmin-aumeeruddy]

@dmuelle That looks good and works as described. Thank you!