[Snyk] Security upgrade azure-core from 1.33.0 to 1.38.0

[bkizer-tenable]

Snyk has created this PR to fix 1 vulnerabilities in the pip dependencies of this project.

Snyk changed the following file(s):

• tools/python/requirements.txt

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[bkizer-tenable]

This minor version upgrade of azure-core introduces breaking changes related to the optional OpenTelemetry tracing functionality.

• Tracing Enablement: Automatic enablement of the OpenTelemetry plugin is removed. Tracing must now be explicitly enabled by setting settings.tracing_implementation to \"opentelemetry\". [7]
• Span Naming: The default span name in DistributedTracingPolicy no longer includes the URL path, now only containing the HTTP method (e.g., "GET") to align with OpenTelemetry conventions. [7]

These changes only affect applications that have configured custom OpenTelemetry tracing.

Source: Azure SDK for Python Changelog
Recommendation: If you use OpenTelemetry tracing with the Azure SDK, verify your configuration to ensure tracing is still enabled and that you are not dependent on the previous span naming format.

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