Release Candidate 2.0.0 RC4

[evegufy]

Summary

Build the new release candidate of "portal" (see components below) and deploy to consortia integration env.
Execute the release process in the eclipse-tractusx organisation.
Branch: Release Branch

Tasks:

• merge migration
• changelog backend
• changelog frontend
• changelog registration --> na
• changelog assets --> na
• changelog iam --> na
• release backend (version bump, push tag, create GH release, merge relesae branch)
• release frontend (version bump, push tag, create GH release, merge relesae branch)
• release registration (version bump, push tag, create GH release, merge relesae branch) --> na
• release assets (version bump, push tag, create GH release, merge relesae branch) --> na
• release portal helm chart (version bump, changelog, update readme, release new helm chart, merge relesae branch)
• release iam --> na
• provide successive release branch (tractusx und ng-forks) for release closure
• change base of open PRs
• Sync main and dev branches in ng-forks
• user info
• deploy to integration environment
• run test automation
• validate results
• inform team members of the deployment status