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: Ndependabot[bot] <support@github.com>

IoTSharp/IoTSharp.csproj

@@ -60,7 +60,7 @@
 		<PackageReference Include="EasyCaching.LiteDB" Version="1.2.0" />
 		<PackageReference Include="EasyCaching.Redis" Version="1.2.1" />
 		<PackageReference Include="hyjiacan.pinyin4net" Version="4.1.0-release" />
-		<PackageReference Include="InfluxDB.Client" Version="1.18.0" />
+		<PackageReference Include="InfluxDB.Client" Version="1.19.0" />
 		<PackageReference Include="IoTSharp.CoAP.NET" Version="2.0.8" />
 		<PackageReference Include="IoTSharp.X509Extensions" Version="1.4.27" />
 		<PackageReference Include="kimbus" Version="2.0.1" />