Don't specify version for centrally managed packages

Author: elzik

Installer/Elzik.FmSync.WindowsInstaller/Elzik.FmSync.WindowsInstaller.wixproj

@@ -9,7 +9,7 @@
     <None Include="LICENSE.rtf" />
   </ItemGroup>
   <ItemGroup>
-    <PackageReference Include="GitVersion.MsBuild" Version="6.6.0">
+    <PackageReference Include="GitVersion.MsBuild" >
       <PrivateAssets>all</PrivateAssets>
       <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
     </PackageReference>