Release Candidate 2.0.0 RC3

[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:

• [x] merge migration https://github.com/eclipse-tractusx/portal-backend/issues/659
• [x] changelog backend
• [x] changelog frontend
• [x] changelog registration --> na
• [x] changelog assets --> na
• [x] changelog iam --> na
• [x] release backend (version bump, push tag, create GH release, merge relesae branch)
• [x] release frontend (version bump, push tag, create GH release, merge relesae branch)
• [x] release registration (version bump, push tag, create GH release, merge relesae branch) --> na
• [x] release assets (version bump, push tag, create GH release, merge relesae branch) --> na
• [x] release portal helm chart (version bump, changelog, update readme, release new helm chart, merge relesae branch)
• [x] release iam --> na
• [x] provide successive release branch (tractusx und ng-forks) for release closure
• [x] 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