Update dependency SixLabors.ImageSharp to 3.1.11 [SECURITY]

Author: renovate[bot]

AstroBot/AstroBot.csproj

@@ -22,7 +22,7 @@
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="NLog" Version="5.1.2" />
     <PackageReference Include="NLog.Extensions.Logging" Version="5.2.2" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.7" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.11" />
     <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="1.0.0-beta14" />
   </ItemGroup>