Removed space (modelcontextprotocol#563)

PackageVersion for OpenTelemetry.Instrumentation.Http had trailing space causing error noticed in Visual Studio build

Co-authored-by: Buzz Weetman <[email protected]>

Author: rokenbuzz

Directory.Packages.props

@@ -62,7 +62,7 @@
     <PackageVersion Include="OpenTelemetry" Version="1.12.0" />
     <PackageVersion Include="OpenTelemetry.Exporter.InMemory" Version="1.12.0" />
     <PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.12.0" />
-    <PackageVersion Include="OpenTelemetry.Instrumentation.Http " Version="1.12.0" />
+    <PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.12.0" />
     <PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.12.0"  />
     <PackageVersion Include="OpenTelemetry.Instrumentation.AspNetCore" Version="1.12.0"  />
     <PackageVersion Include="Serilog.Extensions.Hosting" Version="9.0.0" />