Bump version used in samples to latest (#4807)

Author: Youssef1313

samples/public/Directory.Build.props

@@ -3,10 +3,10 @@
   <PropertyGroup>
     <AspireTestingVersion>8.2.2</AspireTestingVersion>
     <CodeCoverageVersion>17.13.1</CodeCoverageVersion>
-    <MSTestVersion>3.7.2</MSTestVersion>
+    <MSTestVersion>3.7.3</MSTestVersion>
     <MSTestAOTVersion>1.0.0-alpha.24473.2</MSTestAOTVersion>
     <PlaywrightVersion>1.49.0</PlaywrightVersion>
-    <TestingPlatformVersion>1.5.2</TestingPlatformVersion>
+    <TestingPlatformVersion>1.5.3</TestingPlatformVersion>
     <VSTestVersion>17.12.0</VSTestVersion>
   </PropertyGroup>
 

samples/public/global.json

@@ -1,5 +1,5 @@
 {
     "msbuild-sdks": {
-        "MSTest.Sdk": "3.7.2"
+        "MSTest.Sdk": "3.7.3"
     }
 }