Upgrade telemetry packages using uv pip compile

[Copilot]

PR #2902 attempted to upgrade telemetry packages but didn't follow the documented uv pip compile workflow in AGENTS.md.

Changes

Used the repository's standard dependency upgrade command:

cd app/backend && uv pip compile requirements.in -o requirements.txt --python-version 3.10 \
  --upgrade-package azure-monitor-opentelemetry \
  --upgrade-package azure-monitor-opentelemetry-exporter \
  --upgrade-package opentelemetry-instrumentation-openai

This properly resolved transitive dependencies and upgraded:

Azure Monitor:

• azure-monitor-opentelemetry: 1.8.1 → 1.8.4
• azure-monitor-opentelemetry-exporter: 1.0.0b44 → 1.0.0b46

OpenTelemetry Core:

• opentelemetry-api: 1.38.0 → 1.39.0
• opentelemetry-sdk: 1.38.0 → 1.39.0

Instrumentation:

• opentelemetry-instrumentation: 0.59b0 → 0.60b0
• opentelemetry-instrumentation-openai: 0.47.5 → 0.51.1
• All other opentelemetry-instrumentation-*: 0.59b0 → 0.60b0

Supporting:

• opentelemetry-semantic-conventions: 0.59b0 → 0.60b0
• opentelemetry-util-http: 0.59b0 → 0.60b0

Removed:

• fixedint==0.1.6 (no longer required by dependencies)

Original prompt

---

This section details on the original issue you should resolve

<issue_title>Upgrade the telemetry packages properly</issue_title>
<issue_description>This PR failed to upgrade the telemetry packages:
#2902

Do it correctly following AGENTS.MD tips.
</issue_description>

Comments on the Issue (you are @copilot in this section)

• Fixes Upgrade the telemetry packages properly #2940

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