Bump Cake.Testing from 0.33.0 to 1.0.0 in /src

Bumps [Cake.Testing](https://github.com/cake-build/cake) from 0.33.0 to 1.0.0.
- [Release notes](https://github.com/cake-build/cake/releases)
- [Changelog](https://github.com/cake-build/cake/blob/v1.0.0/ReleaseNotes.md)
- [Commits](cake-build/cake@v0.33.0...v1.0.0)

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

src/Cake.Issues.GitRepository.Tests/Cake.Issues.GitRepository.Tests.csproj

@@ -29,7 +29,7 @@
  <Version>0.9.0</Version>
  </PackageReference>
  <PackageReference Include="Cake.Testing">
- <Version>0.33.0</Version>
+ <Version>1.0.0</Version>
  </PackageReference>
  <PackageReference Include="Shouldly">
  <Version>4.0.3</Version>