<!--- 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": "Solaris 10",
        "uname_r": "5.10",
        "platform.dist": [
            "",
            "",
            ""
        ],
        'distro': {
            'codename': '',
            'id': '',
            'name': '',
            'version': '',
            'version_best': '',
            'os_release_info': {},
            'lsb_release_info': {},
        },
        "input": {
            "/etc/release": ("                    Oracle Solaris 10 1/13 s10x_u11wos_24a X86\n  Copyright (c) 1983, 2013, Oracle and/or its affiliates. "
                             "All rights reserved.\n                            Assembled 17 January 2013\n")
        },
        "platform.system": "SunOS",
        "result": {
            "distribution_release": "Oracle Solaris 10 1/13 s10x_u11wos_24a X86",
            "distribution": "Solaris",
            "os_family": "Solaris",
            "distribution_major_version": "10",
            "distribution_version": "10"
        }
    },