4.2.0

This is a bug fix and maintenance release.

What's Changed 🗒️

Preparation for next release (4.2) by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1055
Add GitHub Action workflow for building by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1058
Update Ubuntu image on CI to use 18.04 by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1057
Fix pending tasks wait loop in async streams Merge by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1059 🪲
Fix style errors: IDE0028, IDE0290, IDE0300 & IDE0301 by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1062
Update packages to their latest versions by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1063

Preparation for next release (4.2) by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1055
Add GitHub Action workflow for building by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1058
Update Ubuntu image on CI to use 18.04 by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1057
Fix pending tasks wait loop in async streams Merge by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1059 🪲
Fix style errors: IDE0028, IDE0290, IDE0300 & IDE0301 by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1062
Update packages to their latest versions by @atifaziz in https://github.com/morelinq/MoreLINQ/pull/1063