Fix PHP upgrade/downgrade functionality (#14)

Fix incorrect/non-idempotent behavior when the external repo has been added or removed after a PHP package had previously been installed.

Author: medanthelinium

tasks/install.yaml

@@ -8,9 +8,9 @@
   ansible.builtin.apt:
     name: >-
       {{
-        ['php' + (php.version if php.repository.apt.enabled else '') + '-fpm'] + php.install_extensions.items() |
+        ['php' + php.version + '-fpm'] + php.install_extensions.items() |
         selectattr('1', 'eq', true)|map(attribute='0') |
-        map('regex_replace', '^', 'php' + (php.version if php.repository.apt.enabled else '') + '-') |
+        map('regex_replace', '^', 'php' + php.version + '-') |
         list + (['composer'] if php.install_composer else [])
       }}