Dev version bump [skip ci]

Author: nblumhardt

Diff for: src/Serilog.Sinks.OpenTelemetry/Serilog.Sinks.OpenTelemetry.csproj

@@ -2,7 +2,7 @@
     <PropertyGroup>
         <Description>This Serilog sink transforms Serilog events into OpenTelemetry
             logs and sends them to an OTLP (gRPC or HTTP) endpoint.</Description>
-        <VersionPrefix>4.0.0</VersionPrefix>
+        <VersionPrefix>4.0.1</VersionPrefix>
         <Authors>Serilog Contributors</Authors>
         <!-- .NET Framework version targeting is frozen at these two TFMs. -->
         <TargetFrameworks Condition=" '$(OS)' == 'Windows_NT'">net471;net462</TargetFrameworks>