Bump the dotnet group with 2 updates

Bumps OpenTelemetry.Exporter.OpenTelemetryProtocol from 1.12.0 to 1.13.0
Bumps OpenTelemetry.Extensions.Hosting from 1.12.0 to 1.13.0

---
updated-dependencies:
- dependency-name: OpenTelemetry.Exporter.OpenTelemetryProtocol
  dependency-version: 1.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
- dependency-name: OpenTelemetry.Extensions.Hosting
  dependency-version: 1.13.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: dotnet
...

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

Author: dependabot[bot]

docs/get-started/snippets/PythonSample/PythonSample.ServiceDefaults/PythonSample.ServiceDefaults.csproj

@@ -12,8 +12,8 @@
 
     <PackageReference Include="Microsoft.Extensions.Http.Resilience" Version="9.9.0" />
     <PackageReference Include="Microsoft.Extensions.ServiceDiscovery" Version="9.5.0" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.12.0" />
-    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.12.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.13.0" />
+    <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.13.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.12.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Http" Version="1.12.0" />
     <PackageReference Include="OpenTelemetry.Instrumentation.Runtime" Version="1.12.0" />