README regen triggered by 2.9.15 release(s)

Author: github-actions[bot]

README.md

@@ -3,7 +3,7 @@
 -	[`3.2-dev7`, `3.2`](https://github.com/haproxytech/haproxy-docker-ubuntu-quic/blob/main/3.2/Dockerfile)
 -	[`3.1.6`, `3.1`, `latest`](https://github.com/haproxytech/haproxy-docker-ubuntu-quic/blob/main/3.1/Dockerfile)
 -	[`3.0.9`, `3.0`](https://github.com/haproxytech/haproxy-docker-ubuntu-quic/blob/main/3.0/Dockerfile)
--	[`2.9.14`, `2.9`](https://github.com/haproxytech/haproxy-docker-ubuntu-quic/blob/main/2.9/Dockerfile)
+-	[`2.9.15`, `2.9`](https://github.com/haproxytech/haproxy-docker-ubuntu-quic/blob/main/2.9/Dockerfile)
 -	[`2.8.14`, `2.8`](https://github.com/haproxytech/haproxy-docker-ubuntu-quic/blob/main/2.8/Dockerfile)
 -	[`2.6.21`, `2.6`](https://github.com/haproxytech/haproxy-docker-ubuntu-quic/blob/main/2.6/Dockerfile)