(maint) Update actions/upload-artifact action to v4 · cake-contrib/cake.asciidoctorj@6ab0931

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

src/Cake.AsciiDoctorJ/AsciiDoctorJRunnerSettingsExtensions.cs#L128

Parameter 'require' has no matching param tag in the XML comment for 'AsciiDoctorJRunnerSettingsExtensions.WithRequire(AsciiDoctorJRunnerSettings, params string[])' (but other parameters do)

src/Cake.AsciiDoctorJ/AsciiDoctorJRunnerSettingsExtensions.cs#L128

The documentation for parameter 'require' is missing (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1611.md)

src/Cake.AsciiDoctorJ/AsciiDoctorJRunnerSettingsExtensions.cs#L128

Parameter 'require' has no matching param tag in the XML comment for 'AsciiDoctorJRunnerSettingsExtensions.WithRequire(AsciiDoctorJRunnerSettings, params string[])' (but other parameters do)

src/Cake.AsciiDoctorJ/AsciiDoctorJRunnerSettingsExtensions.cs#L128

The documentation for parameter 'require' is missing (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1611.md)

src/Cake.AsciiDoctorJ/AsciiDoctorJRunnerSettingsExtensions.cs#L128

Parameter 'require' has no matching param tag in the XML comment for 'AsciiDoctorJRunnerSettingsExtensions.WithRequire(AsciiDoctorJRunnerSettings, params string[])' (but other parameters do)

src/Cake.AsciiDoctorJ/AsciiDoctorJRunnerSettingsExtensions.cs#L128

The documentation for parameter 'require' is missing (https://github.com/DotNetAnalyzers/StyleCopAnalyzers/blob/master/documentation/SA1611.md)

src/Cake.AsciiDoctorJ.Tests/SettingsExtensionsTests.cs#L148

Possible null reference return.

src/Cake.AsciiDoctorJ.Tests/SettingsExtensionsTests.cs#L149

Possible null reference return.

src/Cake.AsciiDoctorJ.Tests/SettingsExtensionsTests.cs#L150

Possible null reference return.

src/Cake.AsciiDoctorJ.Tests/SettingsExtensionsTests.cs#L151

Possible null reference return.