fix test for rocky linux

tasks/main.yml

@@ -2,7 +2,7 @@
 # tasks file for centos7-system
 - name: "fail if not centos or red-hat"
   fail: msg="Operating System {{ ansible_distribution }}-{{ ansible_distribution_version }} not supported, use centos|redhat 8 "
-  when: (ansible_distribution|lower != "centos" and ansible_distribution|lower !=redhat and ansible_distribution|lower != rocky and ansible_distribution|lower != alma) or ansible_distribution_major_version != "8"
+  when: (ansible_distribution|lower != 'centos' and ansible_distribution|lower !='redhat' and ansible_distribution|lower != 'rocky' and ansible_distribution|lower != 'alma') or ansible_distribution_major_version != '8'
 
 - name: "import volume.yml"
   import_tasks: volume.yml