Bump SixLabors.ImageSharp from 3.1.4 to 3.1.5 in /c#/imagePipeline (#51)

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

c#/imagePipeline/tbm.ImagePipeline.csproj

@@ -14,7 +14,7 @@
         <PackageReference Include="Sdcb.PaddleInference.runtime.win64.mkl" Version="2.6.1" />
         <PackageReference Include="Sdcb.PaddleOCR" Version="2.7.0.3" />
         <PackageReference Include="Sdcb.PaddleOCR.Models.Online" Version="2.7.0.1" />
-        <PackageReference Include="SixLabors.ImageSharp" Version="3.1.4" />
+        <PackageReference Include="SixLabors.ImageSharp" Version="3.1.5" />
         <PackageReference Include="System.IO.Hashing" Version="8.0.0" />
         <PackageReference Include="System.Threading.RateLimiting" Version="8.0.0" />
         <PackageReference Include="ThumbHash" Version="2.1.1" />