Bump SixLabors.ImageSharp from 2.1.3 to 3.0.0

Bumps [SixLabors.ImageSharp](https://github.com/SixLabors/ImageSharp) from 2.1.3 to 3.0.0.
- [Release notes](https://github.com/SixLabors/ImageSharp/releases)
- [Commits](SixLabors/ImageSharp@v2.1.3...v3.0.0)

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

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

Author: dependabot[bot]

GithubActionsHelloWorld/GithubActionsHelloWorld.csproj

@@ -20,7 +20,7 @@
 	</PropertyGroup>
 
 	<ItemGroup>
-		<PackageReference Include="SixLabors.ImageSharp" Version="2.1.3" />
+		<PackageReference Include="SixLabors.ImageSharp" Version="3.0.0" />
 		<PackageReference Include="ZXing.Net" Version="0.16.8" />
 	</ItemGroup>