Merge branch 'unstable' into merge-unstable-to-deneb-20230816

# Conflicts:
#	beacon_node/http_api/src/lib.rs

.github/workflows/docker.yml

@@ -9,6 +9,10 @@ on:
         tags:
             - v*
 
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
 env:
     DOCKER_PASSWORD: ${{ secrets.DOCKER_PASSWORD }}
     DOCKER_USERNAME: ${{ secrets.DOCKER_USERNAME }}