[processor/resourcedetection/internal/dynatrace] Add Support for dt.smartscape.host

[RealAnna]

Component(s)

processor/resourcedetection/internal/dynatrace

Is your feature request related to a problem? Please describe.

In Dynatrace environments, the dt.smartscape.host property is commonly used to enrich telemetry with Smartscape topology context (real-time, automatically discovered relationships between infrastructure and application components.). Currently, the OpenTelemetry Collector's Resource Detection Processor does not support injecting this property, which limits integration with Dynatrace tagging and topology features.

Describe the solution you'd like

Extend the Resource Detection Processor to detect and populate the dt.smartscape.host attribute.

Describe alternatives you've considered

No response

Additional context

Would be happy to contribute or help test if needed.

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[RealAnna]

@bacherfl

[github-actions]

Pinging code owners for processor/resourcedetection: @Aneurysm9 @dashpole. See Adding Labels via Comments if you do not have permissions to add labels yourself. For example, comment '/label priority:p2 -needs-triage' to set the priority and remove the needs-triage label.