chore(deps): update opentelemetry to 1.15.2

[thomhurst]

This PR contains the following updates:

Package	Type	Update	Change
OpenTelemetry.Exporter.OpenTelemetryProtocol (source)	nuget	patch	1.15.1 → 1.15.2
OpenTelemetry.Extensions.Hosting (source)	nuget	patch	1.15.1 → 1.15.2

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Release Notes

open-telemetry/opentelemetry-dotnet (OpenTelemetry.Exporter.OpenTelemetryProtocol)

v1.15.2

Release details: 1.15.2

• Limit how much of the response body is read by the OTLP exporter when
  export fails and error logging is enabled.
• Added Task-based worker support for BatchExportProcessor and
  PeriodicExportingMetricReader to enable the OpenTelemetry SDK to work
  in single-threaded WebAssembly environments such as Blazor and
  Uno Platform.

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Configuration

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This PR has been generated by Renovate Bot.

[claude]

Code Review: OpenTelemetry 1.15.2 Dependency Update

This is a straightforward patch-level dependency bump generated by Renovate Bot. The changes are clean and minimal.

What changed: Both OpenTelemetry.Exporter.OpenTelemetryProtocol and OpenTelemetry.Extensions.Hosting bumped from 1.15.1 → 1.15.2 in two project files:

• TUnit.Templates/content/TUnit.Aspire.Starter/ExampleNamespace.ServiceDefaults/ExampleNamespace.ServiceDefaults.csproj
• examples/CloudShop/CloudShop.ServiceDefaults/CloudShop.ServiceDefaults.csproj

Notable fixes in 1.15.2:

• Limits how much of the response body is read by the OTLP exporter when export fails — a sensible memory safety improvement.
• Adds Task-based worker support for BatchExportProcessor and PeriodicExportingMetricReader, enabling the OpenTelemetry SDK to work in single-threaded WebAssembly environments (Blazor, Uno Platform).

One observation: The sibling packages OpenTelemetry.Instrumentation.AspNetCore (1.15.1), OpenTelemetry.Instrumentation.Http (1.15.0), and OpenTelemetry.Instrumentation.Runtime (1.15.0) are left at older versions. This is expected since only the core OTLP exporter and hosting extensions published 1.15.2; the instrumentation packages haven't released a corresponding update yet. The version spread is normal for the OpenTelemetry .NET ecosystem.

No concerns. Auto-merge is appropriate here. ✅

[codacy-production]

Up to standards ✅

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