v1.2.0-rc1

Migrate CI/CD to Actions [part 1] (#28)

* chore(ci): test build node workflow

* chore(ci): initial build/test pipeline

* chore(ci): on pull-request

* chore(ci): fix typo on pull_request

* chore(ci): fix yml syntax by incl. build object in jobs

* chore(ci): use sudo for apt

* chore(ci): named steps

* chore(ci): no apt upgrade cmd

* chore(ci): downgrade to jdk 11

* chore(ci): upgrade to jdk 15

* chore(ci): add info logs to build