Update to IdentityModel 8.7.0 (#3307)

Author: pmaytak

Directory.Build.props

@@ -86,7 +86,7 @@
   </PropertyGroup>
 
   <PropertyGroup Label="Common dependency versions">
-    <MicrosoftIdentityModelVersion Condition="'$(MicrosoftIdentityModelVersion)' == ''">8.6.1</MicrosoftIdentityModelVersion>
+    <MicrosoftIdentityModelVersion Condition="'$(MicrosoftIdentityModelVersion)' == ''">8.7.0</MicrosoftIdentityModelVersion>
     <MicrosoftIdentityClientVersion Condition="'$(MicrosoftIdentityClientVersion)' == ''">4.69.1</MicrosoftIdentityClientVersion>
     <FxCopAnalyzersVersion>3.3.0</FxCopAnalyzersVersion>
     <SystemTextEncodingsWebVersion>4.7.2</SystemTextEncodingsWebVersion>