Bump InfluxDB.Client from 1.18.0 to 1.19.0

Bumps [InfluxDB.Client](https://github.com/influxdata/influxdb-client-csharp) from 1.18.0 to 1.19.0.
- [Release notes](https://github.com/influxdata/influxdb-client-csharp/releases)
- [Changelog](https://github.com/influxdata/influxdb-client-csharp/blob/master/CHANGELOG.md)
- [Commits](https://github.com/influxdata/influxdb-client-csharp/compare/v1.18.0...v1.19.0)

---
updated-dependencies:
- dependency-name: InfluxDB.Client
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

OhmGraphite/OhmGraphite.csproj

@@ -35,7 +35,7 @@
   </ItemGroup>
 
   <ItemGroup>
-    <PackageReference Include="InfluxDB.Client" Version="1.18.0" />
+    <PackageReference Include="InfluxDB.Client" Version="1.19.0" />
     <PackageReference Include="Npgsql" Version="5.0.5" />
     <PackageReference Include="prometheus-net" Version="4.1.1" />
     <PackageReference Include="System.Configuration.ConfigurationManager" Version="5.0.0" />