ensuring that git is installed in the check version and changelog

        echo "Version number has not been updated."

        version_not_changed=true

      else

        version_not_changed=false

        echo "Version number updated."

      fi

    # Fail if changelog was not changed

    - |

      if ! git diff --name-only HEAD~1 HEAD | grep -qE 'docs\changelog.md'; then

      if ! git diff --name-only HEAD~1 HEAD | grep -qE '\docs\changelog.md'; then

        echo "Changelog has not been updated."

        changelog_not_changed=true

      else