chore(deps): update dependency serilog.sinks.http to 9.1.0

Author: renovate[bot]

serilog/serilog-example.csproj

@@ -7,6 +7,6 @@
     <PackageReference Include="Bogus" Version="35.6.0" />
     <PackageReference Include="Serilog.Extensions.Logging" Version="8.0.0" />
     <PackageReference Include="Serilog.Sinks.Console" Version="6.0.0" />
-    <PackageReference Include="Serilog.Sinks.Http" Version="9.0.0" />
+    <PackageReference Include="Serilog.Sinks.Http" Version="9.1.0" />
   </ItemGroup>
 </Project>