* ci: wip - add release next npm package step to pr for testing

* ci: remove unpublish logic and use github for package registry

* chore: refresh drone.yml config

* ci: remove redundant variable

* ci: add missing double quote

* chore: move registry arg to npm script

* chore: refresh drone config

* ci: attempt github registry auth

* build: force lerna registry

* build: remote trailing slash

* build: remove obsolete lerna bootstrap, rename next publish files to canary

* chore: remove release_canary_packages step from pr pipeline

* docs(packages): introduce steps for authenticating with github packages

* refactor: move github registry related commands to shell script

* ci(drone): remove echo commands from canary release step

* docs: add missing backtick

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>