Test multiple python versions for a release

stages:
  - build

build_3_8:
  stage: build
  image: python:3.8
  script:
    - pwd

build_3_9:
  stage: build
  image: python:3.9
  script:
    - pwd

build_3_10:
  stage: build
  image: python:3.10
  script:
    - pwd

build_3_11:
  stage: build
  image: python:3.11
  script:
    - pwd