fix(security): update dependency opentelemetry.exporter.opentelemetryprotocol to 1.15.3 [security] (#746)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

samples/AspNetCore/Samples.AspNetCore.csproj

@@ -15,7 +15,7 @@
   <ItemGroup>
     <PackageReference Include="OpenTelemetry.Extensions.Hosting" Version="1.15.2" />
     <PackageReference Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.15.1" />
-    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.2" />
+    <PackageReference Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.15.3" />
   </ItemGroup>
 
 </Project>