Attempt to get Debian working too. Issue #94.

tasks/setup-Debian.yml

@@ -32,13 +32,23 @@
     method: GET
   register: keyserver_response
 
-- name: Add Ondrej's PHP PPA
+- name: Set URI for Ondrej's repo (Ubuntu).
+  ansible.builtin.set_fact:
+    ondrej_repo_uri: https://ppa.launchpadcontent.net/ondrej/php/ubuntu
+  when: ansible_distribution == "Ubuntu"
+
+- name: Set URI for Ondrej's repo (Debian).
+  ansible.builtin.set_fact:
+    ondrej_repo_uri: https://packages.sury.org/php/dists/bullseye/
+  when: ansible_distribution == "Debian"
+
+- name: Add Ondrej's PHP repo.
   become: true
   ansible.builtin.deb822_repository:
     state: present
     name: "ondrej-php-{{ ansible_distribution_release }}"
     types: [deb]
-    uris: [https://ppa.launchpadcontent.net/ondrej/php/ubuntu]
+    uris: ["{{ ondrej_repo_uri }}"]
     suites: ["{{ ansible_facts['distribution_release'] }}"]
     components: [main]
     signed_by: "{{ keyserver_response.content }}"