CI: Introduce release strategy

[tungbq]

Introduce latest and stable release versions

• latest: capture all tooling latest change
• stable: use LTS/stable tool version

[tungbq]

Done via:

• ci: add release pipeline #174
• doc: add release badge #177

Verify OK:

• https://github.com/tungbq/devops-toolkit/actions/runs/9427604421/job/25971952507

New docker image is pushed automatically along with the repo tag (0.1.0): https://hub.docker.com/layers/tungbq/devops-toolkit/0.1.0/images/sha256-8b7741158348395624ae1ca744e90f674ceed407b0e5141c454b1bd38d566426?context=explore

[tungbq]

Pull image tag OK:

➜  ~ docker run --network host -it --rm tungbq/devops-toolkit:0.1.0
Unable to find image 'tungbq/devops-toolkit:0.1.0' locally
0.1.0: Pulling from tungbq/devops-toolkit
a8b1c5f80c2d: Pull complete
2e7836270f53: Pull complete
cd61bda21dd9: Pull complete
499864152d89: Pull complete
e60f633c38d0: Pull complete
0930500a9d11: Pull complete
09a3ce15dbe9: Pull complete
39a86c91dae8: Pull complete
417d5a795334: Pull complete
5a8f1840d5f6: Pull complete
363c0eaec3aa: Pull complete
80c0a9d13b85: Pull complete
4f4fb700ef54: Pull complete
3447c1d5217d: Pull complete
c936210356e5: Pull complete
Digest: sha256:8b7741158348395624ae1ca744e90f674ceed407b0e5141c454b1bd38d566426
Status: Downloaded newer image for tungbq/devops-toolkit:0.1.0
root@docker-desktop:~#