Merge branch 'series/0.6.x'

Merge pull request #1076 from typelevel/update/series/0.6.x/junit-int…

…erface-1.0.0-RC1

Update junit-interface to 1.0.0-RC1 in series/0.6.x

Merge branch 'series/0.6.x'

Merge pull request #1035 from typelevel/topic/update-twiddles-0.8

Update to Twiddles 0.8.0

Merge branch 'series/0.6.x'

Merge pull request #1033 from typelevel/topic/update-fs2

Update to fs2 3.9.4

Merge pull request #1016 from typelevel/topic/update-twiddles-0.7

Update to twiddles 0.7.1

Merge pull request #1015 from typelevel/topic/update-twiddles-0.6

Update to twiddles 0.6.1

Merge pull request #992 from typelevel/update/series/0.6.x/sbt-mdoc-2…

….3.8

Update sbt-mdoc to 2.3.8 in series/0.6.x