🚀 Pre-release master -> Staging ResistanceIsFutile8

[pcrespov]

In preparation for pre-release. Here an initial (incomplete) list of tasks to prepare before pre-releasing:

• Draft changelog from commits list (see docs/releasing-workflow-instructions.md)
• Check important changes 🚨
• Devops check (⚠️ devops)
• e2e testing check
• Pre-release summary
• Pre-release assessment

---

• Motivation: Tue release. Mainly UI changes. Include since last release to production until (excluding) failing commit ✨block all user services outgoing traffic with exceptions osparc-simcore#3606

Devops check (⚠️ devops)

• None

e2e testing check

• Mon. Failures in dy-services.
• Tue. Failures in dy-services. This release has UI-only related changes (release approved by @odeimaiz).

Commits (in order)

• ✨ UI: About product (#3819)
• ✨ Frontend: Increase light theme's contrast (#3818)
• 🐛 freezes migration service requirements (#3817)
• ✨ Feature: Maintenance Notification on ribbon (#3814)
• ✨🐛 Frontend: Improve orgs and members sorting (#3811)
• ✨ Frontend: Notify New Release (#3807)

Draft Changelog

## What's Changed
* ✨ UI: Notifies new release by @odeimaiz in https://github.com/ITISFoundation/osparc-simcore/pull/3807
* ✨🐛 UI: Improve organizations and members sorting by @odeimaiz in https://github.com/ITISFoundation/osparc-simcore/pull/3811
* ✨ UI: Notification on ribbon by @odeimaiz in https://github.com/ITISFoundation/osparc-simcore/pull/3814
* 🔨🐛Maintenance: Freezes migration service requirements by @pcrespov in https://github.com/ITISFoundation/osparc-simcore/pull/3817
* ✨ UI: Increases light theme's contrast by @odeimaiz in https://github.com/ITISFoundation/osparc-simcore/pull/3818
* ✨ UI: About dialog for product by @odeimaiz in https://github.com/ITISFoundation/osparc-simcore/pull/3819


**Full Changelog**: https://github.com/ITISFoundation/osparc-simcore/compare/staging_ResistanceIsFutile7...staging_ResistanceIsFutile8

- ✨ New feature
- 🐛 Fixes bugs
- ♻️ Refactors code
- ⬆️ Upgrades dependencies
- 🔒️ Fixes security issues
- 🔨 Adds or updates development scripts or CI.
- 🚨 Important change. REQUIRES target testing before releasing to production. Steps to test appended as ``[TODO:  ... ]``
- 📌 can be cherry-picked to production

Pre-release summary

• make release-staging name=ResistanceIsFutile version=8 git_sha=abed21dc9bff32da8fc2b6460d79a8d3ac0aabbe
• Draft release
• Target image is built
• Announce: This release has UI-only related changes: does not require maintenance notification
• Check is built and pushed
• Check is deployed
• Announce release in chats

Pre-release assessment

[pcrespov]

🚀 https://github.com/ITISFoundation/osparc-simcore/releases/tag/staging_ResistanceIsFutile8

[pcrespov]

Assessment

• autoscaling in staging.osparc.io had to be scaled to 0 and then to 1. Not enough resource to allocate new service