feat: Release Pipeline Publish and Add Flag

[tiagoapolo]

Thanks for submitting a PR! Please check the boxes below:

• [ ] I have added information to docs/ if required so people know about the feature!
• [x] I have filled in the "Changes" section below?
• [x] I have filled in the "How did you test this code" section below?
• [x] I have used a Conventional Commit title for this Pull Request

Changes

Ref: https://github.com/Flagsmith/flagsmith/issues/5301 #5275

Implements:

• Publishing release pipeline, changes release pipeline from draft to published
• Adding a feature flag to published pipeline

How did you test this code?

⚠️ Tested using branch containing backend and frontend release-pipe-publish-back-front

[vercel[bot]]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
flagsmith-frontend-preview	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 25, 2025 2:31pm
flagsmith-frontend-staging	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jun 25, 2025 2:31pm

1 Skipped Deployment

Name	Status	Preview	Comments	Updated (UTC)
docs	⬜️ Ignored (Inspect)	Visit Preview		Jun 25, 2025 2:31pm

[github-actions[bot]]

Docker builds report

Image	Build Status	Security report
ghcr.io/flagsmith/flagsmith-api-test:pr-5542	Finished :white_check_mark:	Skipped
ghcr.io/flagsmith/flagsmith-e2e:pr-5542	Finished :white_check_mark:	Skipped
ghcr.io/flagsmith/flagsmith-api:pr-5542	Finished :white_check_mark:	Results :white_check_mark:
ghcr.io/flagsmith/flagsmith:pr-5542	Finished :white_check_mark:	Results :white_check_mark:
ghcr.io/flagsmith/flagsmith-private-cloud:pr-5542	Finished :white_check_mark:	Results :white_check_mark:
ghcr.io/flagsmith/flagsmith-frontend:pr-5542	Finished :white_check_mark:	Results :white_check_mark: