Bump Nuke.Common from 7.0.0 to 8.1.2

Bumps [Nuke.Common](https://github.com/nuke-build/nuke) from 7.0.0 to 8.1.2.
- [Release notes](https://github.com/nuke-build/nuke/releases)
- [Changelog](https://github.com/nuke-build/nuke/blob/develop/CHANGELOG.md)
- [Commits](nuke-build/nuke@7.0.0...8.1.2)

---
updated-dependencies:
- dependency-name: Nuke.Common
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

build/_build.csproj

@@ -11,7 +11,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Nuke.Common" Version="7.0.0" />
+    <PackageReference Include="Nuke.Common" Version="8.1.2" />
 	  <PackageReference Include="docfx.console" Version="2.59.4" ExcludeAssets="build"/>
   </ItemGroup>