ci: update BACKERS.md from global .github repo Signed-off-by: microcks-bot <info@microcks.io>

BACKERS.md

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+# Sponsors & Backers
+
+[Microcks](https://microcks.io/) is a [Cloud Native Computing Foundation Sandbox](https://landscape.cncf.io/?selected=microcks) project 🚀 with its ongoing development made possible entirely by the support of the awesome sponsors and backers listed in this file. If you'd like to join them, please consider [sponsoring](https://opencollective.com/microcks) Microcks's development.
+
+**BTW 📢 _If you're using Microcks in your organization, please add your company name to the adopters list. 🙏 It really helps the project to gain momentum and credibility. It's a small contribution back to the project with a big impact._**
+https://github.com/microcks/.github/blob/main/ADOPTERS.md
+
+> Platinum💎, gold🥇 and silver🥈 **sponsors**, [join us](https://opencollective.com/microcks) 🙌<br>
+> **Invest** in **your supply chain!**
+
+If you run a business and is using Microcks in a revenue-generating product/service, it would make business sense to sponsor Microcks development: it ensures the project that you rely on a healthy, strong and engaged community. It can also help your exposure in the open source community and makes it easier to attract new talents.
+
+If you'd like to help and support Microcks to [level up](https://www.cncf.io/project-metrics/) within the [CNCF](https://www.cncf.io) and keep growing the open source way, please consider:
+
+- [Become a backer or sponsor on OpenCollective](https://opencollective.com/microcks).
+
+## Special Sponsors
+[image width="350"]: #
+<p align="center">
+  <a href="https://postman.com/"><img src="https://voyager.postman.com/logo/postman-logo-orange.svg" alt="Postman logo" width="350"></a>
+</p>
+
+## Platinum Sponsors
+[image width="300"]: #
+[Become the first platinum sponsor](https://opencollective.com/microcks/contribute/platinum-sponsors-61341/checkout?interval=month&amount=2000&name=&legalName=&email=)
+
+## Gold Sponsors
+[image width="250"]: #
+[Become the first gold sponsor](hhttps://opencollective.com/microcks/contribute/gold-sponsors-61340/checkout?interval=month&amount=1000&name=&legalName=&email=)
+
+## Silver Sponsors
+[image width="200"]: #
+[Become the first silver sponsor](https://opencollective.com/microcks/contribute/silver-sponsors-61339/checkout?interval=month&amount=500&name=&legalName=&email=)
+
+## Bronze Sponsors
+[image width="150"]: #
+<p align="center">
+  <a href="https://bitso.com/"><img src="https://logowik.com/content/uploads/images/bitso5417.jpg" alt="Bitso logo" width="120"></a>
+  <a href="https://www.devmark.ai/fern/?utm_source=microcks&utm_loc=readme&utm_type=logo"><img src="https://uploads-ssl.webflow.com/64f77a831b9d50c279dc926c/6568d0303c2a1435c108e114_fern.svg" alt="Fern logo" width="150"></a>
+</p>
+
+[Become a bronze sponsor](https://opencollective.com/microcks/contribute/bronze-sponsors-61338/checkout?interval=month&amount=100&name=&legalName=&email=)
+
+## OpenCollective Generous Backers
+
+<a href="https://opencollective.com/microcks#section-contributors" target="_blank"><img src="https://opencollective.com/microcks/backers.svg?width=800"></a>