typo fixed

tasks/main.yml

@@ -10,7 +10,7 @@
 ---
 - name: PHP role skipped
   ansible.builtin.debug:
-    msg: "The tasks in the PHP role are not being run since the php variables is not true."
+    msg: "The tasks in the PHP role are not being run since the php variable is not true."
   when: not php | bool
   tags:
     - php