Upgrade Iesi to 4.0.3 in order to use a release assembly

Author: fredericDelaporte

src/NHibernate/NHibernate.csproj

@@ -38,7 +38,7 @@
       <PrivateAssets>All</PrivateAssets>
     </PackageReference>
     <PackageReference Include="Antlr3.Runtime" Version="[3.5.1, 4.0)" />
-    <PackageReference Include="Iesi.Collections" Version="[4.0.2, 5.0)" />
+    <PackageReference Include="Iesi.Collections" Version="[4.0.3, 5.0)" />
     <PackageReference Include="Remotion.Linq" Version="[2.1.2, 3.0)" />
     <PackageReference Include="Remotion.Linq.EagerFetching" Version="[2.1.0, 3.0)" />
   </ItemGroup>
@@ -66,4 +66,4 @@
       <PackagePath>./NHibernate.license.txt</PackagePath>
     </Content>
   </ItemGroup>
-</Project>
+</Project>