Merge branch 'stable' into unstable

Author: zah

README.md

@@ -3,7 +3,6 @@
 [![Github Actions CI](https://github.com/status-im/nimbus-eth2/actions/workflows/ci.yml/badge.svg?branch=stable)](https://github.com/status-im/nimbus-eth2/actions/workflows/ci.yml?query=branch%3Astable)
 [![License: Apache](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)
 [![License: MIT](https://img.shields.io/badge/License-MIT-blue.svg)](https://opensource.org/licenses/MIT)
-![Stability: experimental](https://img.shields.io/badge/stability-experimental-orange.svg)
 
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