Mark packages as non-stable for 1.1.5 (#14243)

Author: safern

dir.props

@@ -153,10 +153,10 @@
     <ProjectUrl>https://dot.net</ProjectUrl>
 
     <!-- Central place to set the versions of all nuget packages produced in the repo -->
-    <Version Condition="'$(MSBuildProjectExtension)' == '.pkgproj' and '$(Version)' == ''">1.1.4</Version>
+    <Version Condition="'$(MSBuildProjectExtension)' == '.pkgproj' and '$(Version)' == ''">1.1.5</Version>
 
     <!-- Set the boolean below to true to generate packages with stabilized versions -->
-    <StabilizePackageVersion Condition="'$(StabilizePackageVersion)' == ''">true</StabilizePackageVersion>
+    <StabilizePackageVersion Condition="'$(StabilizePackageVersion)' == ''">false</StabilizePackageVersion>
     <StableVersion Condition="'$(MSBuildProjectExtension)' == '.pkgproj' and '$(StabilizePackageVersion)' == 'true' and '$(StableVersion)' == ''">$(Version)</StableVersion>
 
     <!-- On Windows, MSbuild still runs against Desktop FX while it runs on .NET Core on non-Windows. this requires