refactor: use generic ansible modules service and package

tasks/install.yml

@@ -23,7 +23,7 @@
       register: __postgres_systemd
 
     - name: Force systemd to re-read configs
-      systemd:
+      service:
         daemon_reload: True
       when: __postgres_systemd.changed
 
@@ -35,7 +35,7 @@
     - name: Ensure database is initialized
       command: "/usr/pgsql-{{ __postgres_version }}/bin/postgresql-{{ __postgres_version }}-setup initdb"
       when: not __pgdata_dir_version.stat.exists
-  
+
     - name: Override default pg_hba.conf with a clean one
       template:
         src: templates/postgresql/data/pg_hba.conf.j2