[release] Instrumentation.AspNetCore- stable release 1.12.0 updates (#2742)

Author: opentelemetrybot

src/OpenTelemetry.Instrumentation.AspNetCore/OpenTelemetry.Instrumentation.AspNetCore.csproj

@@ -6,7 +6,7 @@
     <Description>ASP.NET Core instrumentation for OpenTelemetry .NET</Description>
     <PackageTags>$(PackageTags);distributed-tracing;AspNetCore</PackageTags>
     <MinVerTagPrefix>Instrumentation.AspNetCore-</MinVerTagPrefix>
-    <PackageValidationBaselineVersion>1.11.1</PackageValidationBaselineVersion>
+    <PackageValidationBaselineVersion>1.12.0</PackageValidationBaselineVersion>
   </PropertyGroup>
 
   <ItemGroup>