Bump Polly.Core from 8.5.2 to 8.6.4 (#218)

Author: dependabot[bot]

src/Tingle.PeriodicTasks/Tingle.PeriodicTasks.csproj

@@ -16,7 +16,7 @@
     <PackageReference Include="Microsoft.Extensions.Logging.Abstractions" Version="9.0.8" />
     <PackageReference Include="Microsoft.Extensions.Hosting.Abstractions" Version="9.0.8" />
     <PackageReference Include="Microsoft.Extensions.Options" Version="9.0.8" />
-    <PackageReference Include="Polly.Core" Version="8.5.2" />
+    <PackageReference Include="Polly.Core" Version="8.6.4" />
   </ItemGroup>
 
 </Project>