Bump the dotnet group with 1 update

Bumps OpenTelemetry.Exporter.OpenTelemetryProtocol 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
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

docs/core/extensions/snippets/logging/getting-started-open-telemetry/getting-started-open-telemetry.csproj

@@ -9,7 +9,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Extensions.Logging" Version="9.0.9" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.12.0" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.13.0" />
   </ItemGroup>
 
 </Project>