Update Azure.Extensions.AspNetCore.DataProtection.Keys to 1.6.0 (#46282)

---
updated-dependencies:
- dependency-name: Azure.Extensions.AspNetCore.DataProtection.Keys
  dependency-version: 1.6.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

docs/azure/sdk/snippets/logging/LoggingSampleApp.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="Azure.Extensions.AspNetCore.DataProtection.Blobs" Version="1.5.0" />
-    <PackageReference Include="Azure.Extensions.AspNetCore.DataProtection.Keys" Version="1.5.0" />
+    <PackageReference Include="Azure.Extensions.AspNetCore.DataProtection.Keys" Version="1.6.0" />
     <PackageReference Include="Azure.Identity" Version="1.14.0" />
     <PackageReference Include="Microsoft.Extensions.Azure" Version="1.11.0" />
   </ItemGroup>