Update PSGet version (PowerShell#7564)

Author: adityapatwardhan

src/Modules/PSGalleryModules.csproj

@@ -4,7 +4,7 @@
 
   <ItemGroup>
     <PackageReference Include="PackageManagement" Version="1.1.7.2" />
-    <PackageReference Include="PowerShellGet" Version="1.6.6" />
+    <PackageReference Include="PowerShellGet" Version="1.6.7" />
     <PackageReference Include="Microsoft.PowerShell.Archive" Version="1.1.0.0" />
     <PackageReference Include="PSReadLine" Version="2.0.0-beta2" />
     <PackageReference Include="ThreadJob" Version="1.1.2" />