Update MicrosoftIdentityAbstractionsVersion to 10.0.0 for breaking change

Co-authored-by: jmprieur <[email protected]>

Author: Copilot

Directory.Build.props

@@ -1,7 +1,7 @@
 <Project>
   <PropertyGroup>
     <!-- This should be passed from the VSTS build -->
-    <MicrosoftIdentityAbstractionsVersion Condition="'$(MicrosoftIdentityAbstractionsVersion)' == ''">9.6.0</MicrosoftIdentityAbstractionsVersion>
+    <MicrosoftIdentityAbstractionsVersion Condition="'$(MicrosoftIdentityAbstractionsVersion)' == ''">10.0.0</MicrosoftIdentityAbstractionsVersion>
     <!-- This will generate AssemblyVersion, AssemblyFileVersion and AssemblyInformationVersion -->
     <Version>$(MicrosoftIdentityAbstractionsVersion)</Version>
     <AssemblyOriginatorKeyFile>$(MSBuildThisFileDirectory)\build\35MSSharedLib1024.snk</AssemblyOriginatorKeyFile>