Bump Microsoft.Owin from 4.1.0 to 4.1.1 in /src/NuGet.Services.Owin (#403)

* Bump Microsoft.Owin from 4.1.0 to 4.1.1 in /src/NuGet.Services.Owin

Bumps [Microsoft.Owin](https://github.com/aspnet/AspNetKatana) from 4.1.0 to 4.1.1.
- [Release notes](https://github.com/aspnet/AspNetKatana/releases)
- [Commits](aspnet/AspNetKatana@v4.1.0...v4.1.1)

---
updated-dependencies:
- dependency-name: Microsoft.Owin
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

* Remove explicit reference from tests

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Joel Verhagen <[email protected]>

Author: dependabot[bot]

src/NuGet.Services.Owin/NuGet.Services.Owin.csproj

@@ -7,7 +7,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.Owin">
-      <Version>4.1.0</Version>
+      <Version>4.1.1</Version>
     </PackageReference>
   </ItemGroup>
 

tests/NuGet.Services.Owin.Tests/NuGet.Services.Owin.Tests.csproj

@@ -5,9 +5,6 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.Owin">
-      <Version>4.1.0</Version>
-    </PackageReference>
     <PackageReference Include="Moq">
       <Version>4.10.0</Version>
     </PackageReference>