Update dependency GitVersion.MsBuild to v6

Author: renovate[bot]

SIL.FwBuildTasks.Lib/SIL.FwBuildTasks.Lib.csproj

@@ -29,7 +29,7 @@ See full changelog at https://github.com/sillsdev/SIL.FwBuildTasks/blob/main/CHA
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="GitVersion.MsBuild" Version="5.12.0" PrivateAssets="All" />
+    <PackageReference Include="GitVersion.MsBuild" Version="6.0.2" PrivateAssets="All" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
     <PackageReference Include="SIL.ReleaseTasks" Version="2.5.0" PrivateAssets="All" />
   </ItemGroup>

SIL.FwBuildTasks/SIL.FwBuildTasks.csproj

@@ -29,7 +29,7 @@ See full changelog at https://github.com/sillsdev/SIL.FwBuildTasks/blob/main/CHA
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="GitVersion.MsBuild" Version="5.12.0" PrivateAssets="All" />
+    <PackageReference Include="GitVersion.MsBuild" Version="6.0.2" PrivateAssets="All" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
     <PackageReference Include="SIL.ReleaseTasks" Version="2.5.0" PrivateAssets="All" />
     <PackageReference Include="System.Security.Principal.Windows" Version="4.7.0" />

SIL.FwBuildTasksTests/SIL.FwBuildTasksTests.csproj

@@ -29,7 +29,7 @@ See full changelog at https://github.com/sillsdev/SIL.FwBuildTasks/blob/main/CHA
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="GitVersion.MsBuild" Version="5.12.0" PrivateAssets="All" />
+    <PackageReference Include="GitVersion.MsBuild" Version="6.0.2" PrivateAssets="All" />
     <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
     <PackageReference Include="SIL.ReleaseTasks" Version="2.5.0" PrivateAssets="All" />
     <PackageReference Include="SIL.TestUtilities" Version="10.0.0" />