Bump prometheus-net from 5.0.1 to 6.0.0

Bumps [prometheus-net](https://github.com/prometheus-net/prometheus-net) from 5.0.1 to 6.0.0.
- [Release notes](https://github.com/prometheus-net/prometheus-net/releases)
- [Changelog](https://github.com/prometheus-net/prometheus-net/blob/master/History)
- [Commits](prometheus-net/prometheus-net@v5.0.1...v6.0.0)

---
updated-dependencies:
- dependency-name: prometheus-net
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

src/KubernetesClient/KubernetesClient.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="prometheus-net" Version="5.0.1" />
+    <PackageReference Include="prometheus-net" Version="6.0.0" />
     <PackageReference Include="System.IdentityModel.Tokens.Jwt" Version="6.13.1" />
     <PackageReference Include="System.IO.Abstractions" Version="13.2.47" />
     <PackageReference Include="IdentityModel.OidcClient" Version="4.0.0" />