Update vulnerable packages (#16)

Author: askrinnik

src/NBomber.Sinks.InfluxDB/NBomber.Sinks.InfluxDB.csproj

@@ -23,7 +23,7 @@
     </ItemGroup>
 
     <ItemGroup>
-      <PackageReference Include="InfluxDB.Client" Version="4.9.0" />
+      <PackageReference Include="InfluxDB.Client" Version="4.18.0" />
       <PackageReference Include="NBomber.Contracts" Version="5.6.0" />
     </ItemGroup>