Fix release process in light of changing to independent versioning (#7357)

* Remove workflow

- Not applicable anymore since each package has its own version

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Fix daily-alpha to be based on core version

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* lerna.json no longer will be updated during releases

Signed-off-by: Sebastian Malton <sebastian@malton.name>

* Use the prerelease parts of @k8slens/core to determine dist tag

Signed-off-by: Sebastian Malton <sebastian@malton.name>

---------

Signed-off-by: Sebastian Malton <sebastian@malton.name>
Signed-off-by: Gabriel <gaccettola@mirantis.com>

.github/workflows/publish-release-npm.yml

@@ -38,7 +38,7 @@ jobs:
       - name: Publish NPM packages
         run: |
           npm config set '//registry.npmjs.org/:_authToken' "${NPM_TOKEN}"
-          VERSION=$(cat lerna.json | jq '.version' --raw-output)
+          VERSION=$(cat packages/core/package.json | jq '.version' --raw-output)
           echo ${VERSION}
           DIST_TAG=$(node packages/semver/dist/index.js --prerelease 0 ${VERSION})
           npx lerna \