Bump Umbraco.Cms.Core from 16.0.0 to 16.5.0

---
updated-dependencies:
- dependency-name: Umbraco.Cms.Core
  dependency-version: 16.5.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Directory.Packages.props

@@ -43,7 +43,7 @@
     <PackageVersion Include="Microsoft.AspNetCore.Http.Abstractions" Version="2.2.0" />
     <PackageVersion Include="Microsoft.AspNetCore.Mvc.Testing" Version="9.0.0" />
     <!-- Umbraco -->
-    <PackageVersion Include="Umbraco.Cms.Core" Version="16.0.0" />
+    <PackageVersion Include="Umbraco.Cms.Core" Version="16.5.0" />
     <PackageVersion Include="Umbraco.Cms.Web.Website" Version="16.0.0" />
     <PackageVersion Include="Umbraco.Cms.Web.Common" Version="16.0.0" />
     <PackageVersion Include="Umbraco.Cms.Api.Common" Version="16.0.0" />