changed command to shell for grep

Signed-off-by: Mark Bolwell <mark.bollyuk@gmail.com>

tasks/parse_etc_password.yml

@@ -4,7 +4,7 @@
   tags: always
   block:
     - name: "PRELIM | 5.5.2 | 6.2.7 | 6.2.8 | 6.2.20 | Parse /etc/passwd"
-      ansible.builtin.command: cat /etc/passwd | grep -v '^#'
+      ansible.builtin.shell: cat /etc/passwd | grep -v '^#'
       changed_when: false
       check_mode: false
       register: prelim_passwd_file_audit