Bump SixLabors.ImageSharp from 3.0.2 to 3.1.0

Bumps [SixLabors.ImageSharp](https://github.com/SixLabors/ImageSharp) from 3.0.2 to 3.1.0.
- [Release notes](https://github.com/SixLabors/ImageSharp/releases)
- [Commits](SixLabors/ImageSharp@v3.0.2...v3.1.0)

---
updated-dependencies:
- dependency-name: SixLabors.ImageSharp
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Rdmp.Core/Rdmp.Core.csproj

@@ -308,7 +308,7 @@
     <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
     <PackageReference Include="NPOI" Version="2.6.2" />
     <PackageReference Include="NLog" Version="5.2.7" />
-    <PackageReference Include="SixLabors.ImageSharp" Version="3.0.2" />
+    <PackageReference Include="SixLabors.ImageSharp" Version="3.1.0" />
     <PackageReference Include="SixLabors.ImageSharp.Drawing" Version="2.0.1" />
     <PackageReference Include="Spectre.Console" Version="0.48.0" />
     <PackageReference Include="System.Resources.Extensions" Version="7.0.0" />