README regen triggered by 3.1-dev8 release(s)

Author: github-actions[bot]

README.md

@@ -1,6 +1,6 @@
 # Supported tags and respective `Dockerfile` links
 
--	[`3.1-dev7`, `3.1`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/3.1/Dockerfile)
+-	[`3.1-dev8`, `3.1`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/3.1/Dockerfile)
 -	[`3.0.4`, `3.0`, `latest`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/3.0/Dockerfile)
 -	[`2.9.10`, `2.9`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/2.9/Dockerfile)
 -	[`2.8.10`, `2.8`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/2.8/Dockerfile)