<!--- Verify first that your issue is not already reported on GitHub -->
<!--- Also test if the latest release and devel branch are affected too -->
<!--- Complete *all* sections as described, this form is processed automatically -->

##### SUMMARY
<!--- Explain the problem briefly below -->

##### ISSUE TYPE
- Bug Report

##### COMPONENT NAME
<!--- Write the short name of the module, plugin, task or feature below, use your best guess if unsure -->
Setup module and facts about de Operating System is detecting ansible_os_family as "Pop!_OS".
This distribution is based on Ubuntu, so it should be "Debian" the desired result

##### ANSIBLE VERSION
<!--- Paste verbatim output from "ansible --version" between quotes -->
```
ansible 2.9.6
  config file = /etc/ansible/ansible.cfg
  configured module search path = ['/home/moucho/.ansible/plugins/modules', '/usr/share/ansible/plugins/modules']
  ansible python module location = /usr/lib/python3/dist-packages/ansible
  executable location = /usr/bin/ansible
  python version = 3.8.2 (default, Apr 27 2020, 15:53:34) [GCC 9.3.0]
```

##### CONFIGURATION
<!--- Paste verbatim output from "ansible-config dump --only-changed" between quotes -->
```
default configuration
```

##### OS / ENVIRONMENT
<!--- Provide all relevant information below, e.g. target OS versions, network device firmware, etc. -->
Pop!_OS 20.04 LTS

##### STEPS TO REPRODUCE
<!--- Describe exactly how to reproduce the problem, using a minimal test-case -->
ansible localhost -m setup

<!--- Paste example playbooks or commands between quotes below -->
<!--- HINT: You can paste gist.github.com links for larger files -->

##### EXPECTED RESULTS
<!--- Describe what you expected to happen when running the steps above -->
ansible_os_family: "Debian"

##### ACTUAL RESULTS
<!--- Describe what actually happened. If possible run with extra verbosity (-vvvv) -->
ansible_os_family: "Pop!_OS"
<!--- Paste verbatim command output between quotes -->

}
    },
    {
        "name": "Ubuntu 18.04",
        "distro": {
            "codename": "bionic",
            "id": "ubuntu",
            "name": "Ubuntu",
            "version": "18.04",
            "version_best": "18.04.3",
            "lsb_release_info": {},
            "os_release_info": {
                "name": "Ubuntu",
                "version": "18.04.3 LTS (Bionic Beaver)",
                "id": "ubuntu",
                "id_like": "debian",
                "pretty_name": "Ubuntu 18.04.3 LTS",
                "version_id": "18.04",
                "home_url": "https://www.ubuntu.com/",
                "support_url": "https://help.ubuntu.com/",
                "bug_report_url": "https://bugs.launchpad.net/ubuntu/",
                "privacy_policy_url": "https://www.ubuntu.com/legal/terms-and-policies/privacy-policy",
                "version_codename": "bionic",
                "ubuntu_codename": "bionic",
                "codename": "bionic"
            }
        },
        "input": {
            "/etc/os-release": "NAME=\"Ubuntu\"\nVERSION=\"18.04.3 LTS (Bionic Beaver)\"\nID=ubuntu\nID_LIKE=debian\nPRETTY_NAME=\"Ubuntu 18.04.3 LTS\"\nVERSION_ID=\"18.04\"\nHOME_URL=\"https://www.ubuntu.com/\"\nSUPPORT_URL=\"https://help.ubuntu.com/\"\nBUG_REPORT_URL=\"https://bugs.launchpad.net/ubuntu/\"\nPRIVACY_POLICY_URL=\"https://www.ubuntu.com/legal/terms-and-policies/privacy-policy\"\nVERSION_CODENAME=bionic\nUBUNTU_CODENAME=bionic\n",  
            "/etc/lsb-release": "DISTRIB_ID=Ubuntu\nDISTRIB_RELEASE=18.04\nDISTRIB_CODENAME=bionic\nDISTRIB_DESCRIPTION=\"Ubuntu 18.04.3 LTS\"\n",