Bump GitVersion.Tool from 5.3.7 to 5.5.0 (#122)

Bumps [GitVersion.Tool](https://github.com/GitTools/GitVersion) from 5.3.7 to 5.5.0.
- [Release notes](https://github.com/GitTools/GitVersion/releases)
- [Changelog](https://github.com/GitTools/GitVersion/blob/master/BREAKING_CHANGES.md)
- [Commits](https://github.com/GitTools/GitVersion/commits)

Signed-off-by: dependabot[bot] <support@github.com>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Directory.Packages.props

@@ -12,7 +12,7 @@
     <PackageVersion Include="Roslynator.Analyzers" Version="3.0.0" />
   </ItemGroup>
   <ItemGroup>
-    <PackageVersion Include="GitVersion.Tool" Version="5.3.7" />
+    <PackageVersion Include="GitVersion.Tool" Version="5.5.0" />
     <PackageVersion Include="JetBrains.ReSharper.CommandLineTools" Version="2020.2.4" />
     <PackageVersion Include="Nuke.Common" Version="0.25.0-alpha0334" />
     <PackageVersion Include="ReportGenerator" Version="4.7.1" />