build(deps): bump System.Security.Cryptography.ProtectedData in /src (#…

…733)

Bumps [System.Security.Cryptography.ProtectedData](https://github.com/dotnet/runtime) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v5.0.0...v6.0.0)

---
updated-dependencies:
- dependency-name: System.Security.Cryptography.ProtectedData
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

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

src/Akavache.Core/Akavache.Core.csproj

@@ -32,7 +32,7 @@
   </ItemGroup>
 
   <ItemGroup Condition=" $(TargetFramework.StartsWith('net4')) ">
-    <PackageReference Include="System.Security.Cryptography.ProtectedData" Version="5.0.0" />
+    <PackageReference Include="System.Security.Cryptography.ProtectedData" Version="6.0.0" />
     <PackageReference Include="System.ValueTuple" Version="4.5.0" />
   </ItemGroup>