README regen triggered by 2.8.15 release(s)

Author: github-actions[bot]

README.md

@@ -4,7 +4,7 @@
 -	[`3.1.7`, `3.1`, `latest`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/3.1/Dockerfile)
 -	[`3.0.10`, `3.0`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/3.0/Dockerfile)
 -	[`2.9.15`, `2.9`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/2.9/Dockerfile)
--	[`2.8.14`, `2.8`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/2.8/Dockerfile)
+-	[`2.8.15`, `2.8`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/2.8/Dockerfile)
 -	[`2.6.21`, `2.6`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/2.6/Dockerfile)
 -	[`2.4.28`, `2.4`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/2.4/Dockerfile)
 -	[`2.2.33`, `2.2`](https://github.com/haproxytech/haproxy-docker-ubuntu/blob/main/2.2/Dockerfile)