chore(deps): update docker.io/library/haproxy docker tag to v2.9

This MR contains the following updates:

Package	Type	Update	Change
docker.io/library/haproxy	final	minor	2.8-alpine -> 2.9-alpine

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Dockerfile

-FROM docker.io/library/haproxy:2.8-alpine@sha256:d6159c7230193dcbcc1059ee7d9693b563ccd116bcfdb0418233bd9d56066a39
+FROM docker.io/library/haproxy:2.9-alpine@sha256:23159b87fb5b881037532cefe7a9a515eb085fa5e251015eaf90c67cd98d4489
 
 EXPOSE 2375
 ENV ALLOW_RESTARTS=0 \