chore(deps): update dependency fluentassertions to 6.12.1 (#963)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

src/Akavache.Tests/Akavache.Tests.csproj

@@ -22,7 +22,7 @@
     <PackageReference Include="ReactiveUI.Testing" Version="20.1.63" />
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
     <PackageReference Include="SQLitePCLRaw.bundle_e_sqlite3" Version="2.1.9" />
-    <PackageReference Include="FluentAssertions" Version="6.12.0" />
+    <PackageReference Include="FluentAssertions" Version="6.12.1" />
     <PackageReference Include="DiffEngine" Version="15.5.1" />
     <PackageReference Include="PublicApiGenerator" Version="11.1.0" />
     <PackageReference Include="Verify.Xunit" Version="26.4.4" />