Update dependencies from https://github.com/dotnet/templating build 20250414.3

Microsoft.TemplateEngine.Abstractions , Microsoft.TemplateEngine.Mocks
 From Version 9.0.300-preview.25209.5 -> To Version 9.0.300

Author: dotnet-maestro[bot]

NuGet.config

@@ -34,6 +34,7 @@
     <!--  Begin: Package sources from dotnet-runtime -->
     <!--  End: Package sources from dotnet-runtime -->
     <!--  Begin: Package sources from dotnet-templating -->
+    <add key="darc-pub-dotnet-templating-cc3c045" value="https://pkgs.dev.azure.com/dnceng/public/_packaging/darc-pub-dotnet-templating-cc3c0450/nuget/v3/index.json" />
     <!--  End: Package sources from dotnet-templating -->
     <!--  Begin: Package sources from dotnet-windowsdesktop -->
     <!--  End: Package sources from dotnet-windowsdesktop -->

eng/Version.Details.xml

@@ -1,13 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <Dependencies>
   <ProductDependencies>
-    <Dependency Name="Microsoft.TemplateEngine.Abstractions" Version="9.0.300-preview.25214.1">
+    <Dependency Name="Microsoft.TemplateEngine.Abstractions" Version="9.0.300">
       <Uri>https://github.com/dotnet/templating</Uri>
-      <Sha>290c40a25cc116b1edf6947e8388010f96d6a2ba</Sha>
+      <Sha>cc3c045077b1cdb31e9f2d0dd6a7fb6ce0fb4f0a</Sha>
     </Dependency>
-    <Dependency Name="Microsoft.TemplateEngine.Mocks" Version="9.0.300-preview.25214.1">
+    <Dependency Name="Microsoft.TemplateEngine.Mocks" Version="9.0.300-rtm.25214.3">
       <Uri>https://github.com/dotnet/templating</Uri>
-      <Sha>290c40a25cc116b1edf6947e8388010f96d6a2ba</Sha>
+      <Sha>cc3c045077b1cdb31e9f2d0dd6a7fb6ce0fb4f0a</Sha>
     </Dependency>
     <!-- Intermediate is necessary for source build. -->
     <Dependency Name="Microsoft.SourceBuild.Intermediate.templating" Version="9.0.300-preview.25209.5">

eng/Versions.props

@@ -186,13 +186,13 @@
   </PropertyGroup>
   <PropertyGroup>
     <!-- Dependencies from https://github.com/dotnet/templating -->
-    <MicrosoftTemplateEngineAbstractionsPackageVersion>9.0.300-preview.25214.1</MicrosoftTemplateEngineAbstractionsPackageVersion>
+    <MicrosoftTemplateEngineAbstractionsPackageVersion>9.0.300</MicrosoftTemplateEngineAbstractionsPackageVersion>
     <MicrosoftTemplateEngineEdgePackageVersion>$(MicrosoftTemplateEngineAbstractionsPackageVersion)</MicrosoftTemplateEngineEdgePackageVersion>
     <MicrosoftTemplateEngineOrchestratorRunnableProjectsPackageVersion>$(MicrosoftTemplateEngineAbstractionsPackageVersion)</MicrosoftTemplateEngineOrchestratorRunnableProjectsPackageVersion>
     <MicrosoftTemplateEngineUtilsPackageVersion>$(MicrosoftTemplateEngineAbstractionsPackageVersion)</MicrosoftTemplateEngineUtilsPackageVersion>
     <MicrosoftTemplateSearchCommonPackageVersion>$(MicrosoftTemplateEngineAbstractionsPackageVersion)</MicrosoftTemplateSearchCommonPackageVersion>
     <!-- test dependencies -->
-    <MicrosoftTemplateEngineMocksPackageVersion>9.0.300-preview.25214.1</MicrosoftTemplateEngineMocksPackageVersion>
+    <MicrosoftTemplateEngineMocksPackageVersion>9.0.300-rtm.25214.3</MicrosoftTemplateEngineMocksPackageVersion>
     <MicrosoftTemplateEngineTestHelperPackageVersion>$(MicrosoftTemplateEngineMocksPackageVersion)</MicrosoftTemplateEngineTestHelperPackageVersion>
     <MicrosoftTemplateEngineAuthoringTemplateVerifierVersion>$(MicrosoftTemplateEngineAbstractionsPackageVersion)</MicrosoftTemplateEngineAuthoringTemplateVerifierVersion>
     <MicrosoftTemplateSearchTemplateDiscoveryPackageVersion>$(MicrosoftTemplateEngineMocksPackageVersion)</MicrosoftTemplateSearchTemplateDiscoveryPackageVersion>