[OTel] Enable NodeJS client side stats tests

[mabdinur]

Motivation

NodeJS dd-trace v5.111.0 will ship client-side stats (OTLP trace metrics) support. This PR enables the tests and adds an addition test case to cover and edge case found in development.

Changes

• manifests/nodejs.yml: Lifts the blanket missing_feature override on test_otlp_trace_metrics.py for NodeJS, gating it behind >=5.111.0. Removes the now-redundant per-test missing_feature annotation for the native /v0.6/stats test (covered by a remaining missing_feature on the sampling test instead). Adds the ref_5_111_0 version anchor.

• tests/parametric/test_otlp_trace_metrics.py: Adds test_fr08_9_top_level_not_mixed_with_measured — a new FR08 test verifying that a top-level span and a MEASURED child sharing identical aggregation dimensions produce two separate data points (one with datadog.span.top_level=true, one with false) rather than being merged into a single mislabeled bucket.

[github-actions]

CODEOWNERS have been resolved as:

manifests/nodejs.yml                                                    @DataDog/dd-trace-js
tests/parametric/test_otlp_trace_metrics.py                             @DataDog/system-tests-core @DataDog/apm-sdk-capabilities

[datadog-official]

 

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⚠️ Warnings

🚦 2 Pipeline jobs failed

Testing the test | System Tests (python, prod) / End-to-end #1 / uwsgi-poc 1     

🧪 1 Test failed

tests.test_telemetry.Test_Telemetry.test_app_heartbeats_delays[uwsgi-poc] from system_tests_suite  

AssertionError: Heartbeat sent too fast: 1.0936350000000001s. It should be sent every 2s
assert 1.0936350000000001 > 1.5

self = <tests.test_telemetry.Test_Telemetry object at 0x7f8674ea6090>

    @features.telemetry_heart_beat_collected
    def test_app_heartbeats_delays(self):
        """Check for telemetry heartbeat are not sent too fast/slow, regarding DD_TELEMETRY_HEARTBEAT_INTERVAL
        There are a lot of reason for individual heartbeats to be sent too slow/fast, and the subsequent ones
        to be sent too fast/slow so the RFC says that it must not drift. So we will check the average delay
...

Testing the test | all-jobs-are-green     

ℹ️ Info

No other issues found (see more)

❄️ No new flaky tests detected

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