Bump NuGetizer from 1.0.5 to 1.2.1

Bumps [NuGetizer](https://github.com/devlooped/nugetizer) from 1.0.5 to 1.2.1.
- [Release notes](https://github.com/devlooped/nugetizer/releases)
- [Changelog](https://github.com/devlooped/nugetizer/blob/main/changelog.md)
- [Commits](devlooped/nugetizer@v1.0.5...v1.2.1)

---
updated-dependencies:
- dependency-name: NuGetizer
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

src/Mvp.Xml.CodeAnalysis/Mvp.Xml.CodeAnalysis.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="NuGetizer" Version="1.0.5" PrivateAssets="all" PackTransitive="false" />
+    <PackageReference Include="NuGetizer" Version="1.2.1" PrivateAssets="all" PackTransitive="false" />
     <PackageReference Include="ThisAssembly.AssemblyInfo" Version="1.4.1" PrivateAssets="all" />
     <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.0.1" Pack="false" />
     <PackageReference Include="Devlooped.SponsorLink" Version="0.11.0" />