build(deps): Update DynamicData requirement from 7.* to 8.* (#749)

Updates the requirements on [DynamicData](https://github.com/reactiveui/DynamicData) to permit the latest version.
- [Release notes](https://github.com/reactiveui/DynamicData/releases)
- [Changelog](https://github.com/reactivemarbles/DynamicData/blob/main/ReleaseNotes.md)
- [Commits](reactivemarbles/DynamicData@7.1.1...8.0.2)

---
updated-dependencies:
- dependency-name: DynamicData
  dependency-type: direct:production
...

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

Author: dependabot[bot]

Xamarin/Cinephile/Cinephile.Core/Cinephile.Core.csproj

@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
   <PropertyGroup>
     <TargetFramework>netstandard2.0</TargetFramework>
   </PropertyGroup>
@@ -7,6 +7,6 @@
     <PackageReference Include="Refit" Version="6.*" />
     <PackageReference Include="Fusillade" Version="2.*" />
     <PackageReference Include="System.Reactive.Compatibility" Version="6.0.0" />
-    <PackageReference Include="DynamicData" Version="7.*" />
+    <PackageReference Include="DynamicData" Version="8.*" />
   </ItemGroup>
 </Project>