deps: Bump OpenTelemetry and OpenTelemetry.Exporter.OpenTelemetryProtocol

Bumps OpenTelemetry from 1.13.1 to 1.15.0
Bumps OpenTelemetry.Exporter.OpenTelemetryProtocol from 1.13.1 to 1.15.0

---
updated-dependencies:
- dependency-name: OpenTelemetry
  dependency-version: 1.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: OpenTelemetry.Exporter.OpenTelemetryProtocol
  dependency-version: 1.15.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/Core/DotCompute.Core/DotCompute.Core.csproj

@@ -53,10 +53,10 @@
     <!-- Telemetry and Observability -->
     <PackageReference Include="System.Diagnostics.DiagnosticSource" Version="10.0.1" />
     <!-- System.Diagnostics.Metrics is included in .NET 9.0 runtime -->
-    <PackageReference Include="OpenTelemetry" Version="1.13.1" />
+    <PackageReference Include="OpenTelemetry" Version="1.15.0" />
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.13.1" />
     <PackageReference Include="OpenTelemetry.Exporter.Prometheus.AspNetCore" Version="1.9.0-beta.2" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.13.1" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.0" />
     <PackageReference Include="prometheus-net" Version="8.2.1" />
 
     <!-- High-performance collections and threading -->