Merge pull request #2509 from SixLabors/backport/2501 · SixLabors/ImageSharp@d1b52a2

The following actions uses node12 which is deprecated and will be forced to run on node16: actions/checkout@v2, actions/cache@v2, actions/setup-dotnet@v1. For more info: https://github.blog/changelog/2023-06-13-github-actions-all-actions-will-run-on-node16-instead-of-node12-by-default/

.NET 5.0 is no longer supported and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the .NET support policy.

.NET Core 3.1 is no longer supported and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the .NET support policy.

.NET Core 2.1 is no longer supported and will not receive security updates in the future. Please refer to https://aka.ms/dotnet-core-support for more information about the .NET support policy.

tests/ImageSharp.Benchmarks/General/Buffer2D_DangerousGetRowSpan.cs#L15

Each attribute should be placed on its own line of code

tests/ImageSharp.Benchmarks/LoadResizeSave/LoadResizeSaveStressBenchmarks.cs#L41

Single-line comment should be preceded by blank line

tests/ImageSharp.Benchmarks/LoadResizeSave/LoadResizeSaveStressRunner.cs#L231

Single-line comment should be preceded by blank line

tests/ImageSharp.Tests/Memory/Buffer2DTests.SwapOrCopyContent.cs#L16

Field 'MemoryAllocator' should begin with lower-case letter

tests/ImageSharp.Tests/Formats/Tiff/TiffDecoderTests.cs#L277

Code should not contain trailing whitespace

tests/ImageSharp.Tests/TestFormat.cs#L218

Code should not contain multiple blank lines in a row