chore: bump packages version

Author: Yushu2606

src/Limekuma.csproj

@@ -17,10 +17,10 @@
     <PackageReference Include="Grpc.AspNetCore" Version="2.76.0" />
     <PackageReference Include="Hocon.Extensions.Configuration" Version="2.0.4" />
     <PackageReference Include="NCalcAsync" Version="5.12.0" />
-    <PackageReference Include="SixLabors.Fonts" Version="3.0.0-alpha.0.34" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="4.0.0-alpha.0.87" />
+    <PackageReference Include="SixLabors.Fonts" Version="3.0.0-alpha.0.38" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="4.0.0-alpha.0.94" />
     <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="3.0.0-alpha.0.9" />
-    <PackageReference Include="SixLabors.PolygonClipper" Version="1.0.0-alpha.0.52" />
+    <PackageReference Include="SixLabors.PolygonClipper" Version="1.0.0-alpha.0.54" />
     <PackageReference Include="SmartFormat" Version="3.6.1" />
   </ItemGroup>