Chore: 2.1.0

# [2.1.0](v2.0.0...v2.1.0) (2022-04-11)

## Update
* Migrated to .NET6.0 (coscine/issues#1910)
* Migrated to .NET6.0 (coscine/issues#1910)

src/Database.Helpers/Database.Helpers.csproj

-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 	<PropertyGroup>
 		<OutputType>Library</OutputType>
 		<RootNamespace>Coscine.Database.Helpers</RootNamespace>
 		<AssemblyName>Coscine.Database.Helpers</AssemblyName>
 		<TargetFrameworks>net6.0;net461</TargetFrameworks>
-		<Version>2.0.0</Version>
+		<Version>2.1.0</Version>
 	</PropertyGroup>
 	<PropertyGroup>
 		<Authors>RWTH Aachen University</Authors>