fix(deps): update dependency dotnetkubernetesclient to v2.1.9

Author: renovate-bot

src/KubeOps/KubeOps.csproj

@@ -25,7 +25,7 @@
 
     <ItemGroup>
         <PackageReference Include="CompareNETObjects" Version="4.75.0" />
-        <PackageReference Include="DotnetKubernetesClient" Version="2.1.8" />
+        <PackageReference Include="DotnetKubernetesClient" Version="2.1.9" />
         <PackageReference Include="JsonDiffPatch" Version="2.0.55" />
         <PackageReference Include="Localtunnel" Version="1.0.4" />
         <PackageReference Include="McMaster.Extensions.CommandLineUtils" Version="4.0.1" />