an ansible playbook that does semantic version sorting, more here: https://github.com/diodonfrost/ansible-role-vagrant/pull/1

ansible-semver.yml

---
- hosts: localhost
  tasks:
  - name: Linux | Find all versions of Vagrant
    uri:
      url: https://releases.hashicorp.com/vagrant/index.json
      return_content: yes
    register: vagrant_index
  
  # this was the original code from here: https://github.com/diodonfrost/ansible-role-vagrant/blob/master/tasks/setup-Linux.yml#L14
  # this code doesn't get the most recent version of vagrant
  # - name: Linux | Finds the latest version of Vagrant when latest var is define
  #   set_fact:
  #     vagrant_version_to_install: "{{ item }}"
  #   with_items: "{{ (vagrant_index.content | from_json).versions | list | sort | last }}"
  #
  # - debug:
  #     var: vagrant_version_to_install

  - shell:
      cmd: |
        # the set command comes from this: https://blog.elreydetoda.site/cool-shell-tricks/#bashscriptingmodifiedscripthardening
        set -${-//[sc]/}eu${DEBUG+xv}o pipefail
        # this assigns everything from stdin to an array value
        #   got it from here: https://github.com/koalaman/shellcheck/wiki/SC2207
        IFS=" " read -r -a arrayzz
        # then this line reads in that assigned array and sorts the values in the array
        #   with the latest value being at the top. So, then at the end you print out
        #   the first value in the array. which should be the latest release.
        #   got this from here: https://stackoverflow.com/questions/7442417/how-to-sort-an-array-in-bash#answer-11789688
        IFS=$'\n' sorted=($( sort -t '.' -k1,1nr -k2,2nr -k3,3nr <<<"${arrayzz[*]}" ))
        # then you just print out that version so it get put in the register
        printf '%s' "${sorted[0]}"
    args:
      stdin: '{{ (vagrant_index.content | from_json).versions | list | join(" ") }}'
      executable: /bin/bash
    register: shell_output
    changed_when: False

  - debug:
      var: shell_output

  - debug:
      msg: '{{ shell_output.stdout }}'