chore(deps): update dependency splat to 15.3.1 (#1007)

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

Author: renovate[bot]

src/Akavache.Core/Akavache.Core.csproj

@@ -13,7 +13,7 @@
   <ItemGroup>
     <PackageReference Include="Newtonsoft.Json.Bson" Version="1.0.2" />
     <PackageReference Include="System.Reactive" Version="6.0.1" />
-    <PackageReference Include="Splat" Version="15.2.22" />
+    <PackageReference Include="Splat" Version="15.3.1" />
     <PackageReference Include="System.Security.Cryptography.ProtectedData" Version="9.0.0" />
   </ItemGroup>