Update maintenance-packages versions (#15700)

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>

Author: carlossanlop

eng/Versions.props

@@ -11,8 +11,8 @@
   <!-- maintenance-packages -->
   <PropertyGroup Condition="'$(DotNetBuildSourceOnly)' == 'true'">
     <MicrosoftBclHashCodeVersion>6.0.0</MicrosoftBclHashCodeVersion>
-    <SystemMemoryVersion>4.6.2</SystemMemoryVersion>
-    <MicrosoftIORedistVersion>6.1.2</MicrosoftIORedistVersion>
+    <SystemMemoryVersion>4.6.3</SystemMemoryVersion>
+    <MicrosoftIORedistVersion>6.1.3</MicrosoftIORedistVersion>
   </PropertyGroup>
   <PropertyGroup Condition="'$(DotNetBuildSourceOnly)' != 'true'">
     <MicrosoftBclHashCodeVersion>1.1.1</MicrosoftBclHashCodeVersion>