chore(deps): update akavache to v12

Author: renovate[bot]

src/Directory.Packages.props

@@ -20,8 +20,8 @@
     <AspNetVersion Condition="$(TargetFramework.StartsWith('netstandard'))">3.1.32</AspNetVersion>
   </PropertyGroup>
   <ItemGroup>
-    <PackageVersion Include="Akavache.Sqlite3" Version="11.6.1" />
-    <PackageVersion Include="Akavache.SystemTextJson" Version="11.6.1" />
+    <PackageVersion Include="Akavache.Sqlite3" Version="12.0.12" />
+    <PackageVersion Include="Akavache.SystemTextJson" Version="12.0.12" />
     <PackageVersion Include="bunit" Version="2.7.2" />
     <PackageVersion Include="DynamicData" Version="9.4.31" />
     <PackageVersion Include="JetBrains.DotMemoryUnit" Version="3.2.20220510" />