Merge pull request #231 from nickbabcock/dependabot/nuget/prometheus-net-4.2.0

Bump prometheus-net from 4.1.1 to 4.2.0

OhmGraphite/OhmGraphite.csproj

@@ -37,7 +37,7 @@
   <ItemGroup>
     <PackageReference Include="InfluxDB.Client" Version="2.0.0" />
     <PackageReference Include="Npgsql" Version="5.0.7" />
-    <PackageReference Include="prometheus-net" Version="4.1.1" />
+    <PackageReference Include="prometheus-net" Version="4.2.0" />
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="5.0.0" />
     <PackageReference Include="TopShelf" Version="4.3.0" />
     <PackageReference Include="Topshelf.NLog" Version="4.3.0" />