bump to v0.3.9

- v0.3.9
  - upgrade to [hedzr/cmdr](https://github.com/hedzr/cmdr) v1.11.9+
  - security maintains since golang/x/net should be upgraded
  - remove unavailable travis actions
  - enable github actions
    - packaged to github packages: [here](https://github.com/users/hedzr/packages/container/package/ini-op)
    - keep dockerhub release

v0.2.9

bump to 0.2.9; fixed travis deploy files.

v0.2.7

bump to v0.2.7

v0.2.5

bump to v0.2.5. upgrade deps, fixed compiling matters.

v0.2.3-final

fix travis, 5

0.2.1

use travis ci - no windows build now, and gzipped.