Change publish steps for tasty-core to publish for more platforms

[bishabosha]

tasty-core_2.13 does not appear on maven

[anatoliykmetyuk]

Looks like the publish procedure tries to promote the artefacts twice: https://dotty-ci.epfl.ch/lampepfl/dotty/3091/1/8

[bishabosha]

We should also publish for Scala.js e.g. for use in https://github.com/scalacenter/tasty-query