Update gitversion to v5.12.0

Author: renovate[bot]

.config/dotnet-tools.json

@@ -9,7 +9,7 @@
             ]
         },
         "gitversion.tool": {
-            "version": "5.11.1",
+            "version": "5.12.0",
             "commands": [
                 "dotnet-gitversion"
             ]

Directory.Packages.props

@@ -21,7 +21,7 @@
         <PackageVersion Include="System.Threading.Tasks" Version="4.3.0" />
     </ItemGroup>
   <ItemGroup>
-    <PackageVersion Include="GitVersion.Tool" Version="5.11.1" />
+    <PackageVersion Include="GitVersion.Tool" Version="5.12.0" />
     <PackageVersion Include="JetBrains.ReSharper.CommandLineTools" Version="2022.3.1" />
     <PackageVersion Include="ReportGenerator" Version="5.1.15" />
     <PackageVersion Include="Rocket.Surgery.Nuke" Version="0.19.1" />