publish release 0.2.0

[SethTisue]

https://travis-ci.org/scala/scala-parallel-collections/jobs/515934937 didn't publish except locally, not sure why

I will look into it in the morning

[SethTisue]

haha duh I forgot the v at the beginning of the tag 🤪

[SethTisue]

https://travis-ci.org/scala/scala-parallel-collections/jobs/516244488

[SethTisue]

staging repo closed & released

now we watch https://repo1.maven.org/maven2/org/scala-lang/modules/scala-parallel-collections_2.13.0-RC1/0.2.0/

[SethTisue]

done! artifacts are on Maven Central