update playwright and remove net9.0 for UI tests (#3148)

Author: jennyf19

tests/Directory.Build.props

@@ -28,7 +28,7 @@
     <MicrosoftApplicationInsightsAspNetCoreVersion>2.22.0</MicrosoftApplicationInsightsAspNetCoreVersion>
     <MicrosoftApplicationInsightsEventCounterCollectionVersion>2.22.0</MicrosoftApplicationInsightsEventCounterCollectionVersion>
     <MicrosoftExtensionsCachingStackExchangeRedisVersion>6.0.12</MicrosoftExtensionsCachingStackExchangeRedisVersion>
-    <MicrosoftPlaywrightVersion>1.36.0</MicrosoftPlaywrightVersion>
+    <MicrosoftPlaywrightVersion>1.48.0</MicrosoftPlaywrightVersion>
     <StackExchangeRedisVersion>2.2.4</StackExchangeRedisVersion>
     <!--CVE-2021-24112-->
     <SystemDrawingCommonVersion>5.0.3</SystemDrawingCommonVersion>

tests/E2E Tests/WebAppUiTests/WebAppUiTests.csproj

@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>
-    <TargetFrameworks>net8.0; net9.0</TargetFrameworks>
+    <TargetFrameworks>net8.0</TargetFrameworks>
     <TargetFrameworks Condition="'$(TargetNetNext)'== 'True'">$(TargetFrameworks); </TargetFrameworks>
     <AssemblyOriginatorKeyFile>../../../build/MSAL.snk</AssemblyOriginatorKeyFile>
     <IsPackable>false</IsPackable>