Enable Test_Otel_Tracing_OTLP for java

[mtoffl01]

Motivation

Java's dd-trace-java now supports OTel tracing via OTLP as of v1.62.0, so Test_Otel_Tracing_OTLP can be activated.
But, dd-trace-java requires DD_TRACE_OTEL_ENABLED=true in order to activate any otel features.

Changes

• manifests/java.yml: Activate Test_Otel_Tracing_OTLP for Java starting at v1.62.0 (was missing_feature)
• utils/_context/_scenarios/__init__.py: Add DD_TRACE_OTEL_ENABLED=true to the otel_tracing_otlp scenario

Workflow

1. ⚠️ Create your PR as draft ⚠️
2. Work on you PR until the CI passes
3. Mark it as ready for review
   • Test logic is modified? -> Get a review from RFC owner.
   • Framework is modified, or non obvious usage of it -> get a review from R&P team

🚀 Once your PR is reviewed and the CI green, you can merge it!

🛟 #apm-shared-testing 🛟

Reviewer checklist

• Anything but tests/ or manifests/ is modified ? I have the approval from R&P team
• A docker base image is modified?
  • the relevant build-XXX-image label is present
• A scenario is added, removed or renamed?
  • Get a review from R&P team

[github-actions]

CODEOWNERS have been resolved as:

manifests/java.yml                                                      @DataDog/asm-java @DataDog/apm-java
utils/_context/_scenarios/__init__.py                                   @DataDog/system-tests-core

[datadog-datadog-prod-us1-2]

🎉 All green!

❄️ No new flaky tests detected
🧪 All tests passed

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