Update VS Minor Version 18.6 -> 18.8 (#1563)

Author: WardenGnaw

build/version.settings.targets

@@ -3,7 +3,7 @@
     <!--SxS: These three properties should be changed at the start of a new version, VersionZeroYear should be the year
     before the start of the project.-->
     <MajorVersion>18</MajorVersion>
-    <MinorVersion>6</MinorVersion>
+    <MinorVersion>8</MinorVersion>
     <VersionZeroYear>2025</VersionZeroYear>
     <!-- Note: for compatibility, we leave the default assembly version of the repo at 14.0.
     If we ever decide to change this, make sure that you notify partner teams such as C++ IOT -->
@@ -31,4 +31,4 @@
     <WriteLinesToFile Lines="$(BuildVersion)" File="$(IntermediateOutputPath)\..\NugetPackageVersion.txt" Overwrite="true"/>
   </Target>
 
-</Project>
+</Project>