ansible_distribution_major_version should be treated as a string and not as an integer

[xpillons]

Describe the Issue
pre_remediation_audit.yml is being skipped because ansible_distribution_major_version is tested as an integer and not as a string

Expected Behavior
Install git if not pesent

Actual Behavior
block "If using git for content set up" is skipped

Control(s) Affected
Audit failed to installed

Environment (please complete the following information):

• Ansible Version: 2.9.6

Possible Solution
Compare to '8' and '7' instead of 8 and 7

- name: If using git for content set up
  block:
  - name: Install git (rh8 python3)
    package:
        name: git
        state: present
    when: ansible_distribution_major_version == '8'

  - name: Install git (rh7 python2)
    package:
        name: git
        state: present
    vars:
        ansible_python_interpreter: "{{ python2_bin }}"
    when: ansible_distribution_major_version == '7'