Update to HAProxy 2.9

tasks/install.yml

 ---
 
-- name: Add HAProxy 2.8 PPA
+- name: Add HAProxy 2.9 PPA
   ansible.builtin.apt_repository:
-    repo: 'ppa:vbernat/haproxy-2.8'
+    repo: 'ppa:vbernat/haproxy-2.9'
     state: present
 
 - name: Remove old HAProxy PPAs
@@ -10,6 +10,7 @@
     repo: "ppa:vbernat/haproxy-{{ item }}"
     state: absent
   loop:
+    - "2.8"
     - "2.7"
     - "2.6"
     - "2.5"
@@ -22,7 +23,7 @@
 
 - name: Install HAProxy
   ansible.builtin.apt:
-    name: "haproxy=2.8.*"
+    name: "haproxy=2.9.*"
     state: present
     update_cache: true