Bumped version to 9.0.0

After SqlClient update from 5.2.3 to 6.1.1 we move the sink to major version 9.

Author: ckadluba

src/Serilog.Sinks.MSSqlServer/Serilog.Sinks.MSSqlServer.csproj

@@ -2,7 +2,7 @@
 
   <PropertyGroup>
     <Description>A Serilog sink that writes events to Microsoft SQL Server and Azure SQL</Description>
-    <VersionPrefix>8.2.3</VersionPrefix>
+    <VersionPrefix>9.0.0</VersionPrefix>
     <EnablePackageValidation>true</EnablePackageValidation>
     <PackageValidationBaselineVersion>8.0.0</PackageValidationBaselineVersion>
     <Authors>Michiel van Oudheusden;Christian Kadluba;Serilog Contributors</Authors>