update(ci): Version value extracting improved

[tarampampam]

Reason for This PR

Version extracting during the CI process can be improved using gacts/github-slug GitHub action (I'm the author of this action)

Description of Changes

• Docker image building now uses the docker/build-push-action action
• Version extracting now uses gacts/github-slug action :smiley:

License Acceptance

By submitting this pull request, I confirm that my contribution is made under the terms of the MIT license.

PR Checklist

[Author TODO: Meet these criteria.] [Reviewer TODO: Verify that these criteria are met. Request changes if not]

• [x] All commits in this PR are signed (git commit -s).
• [x] The reason for this PR is clearly provided (issue no. or explanation).
• [ ] The description of changes is clear and encompassing.
• [ ] Any required documentation changes (code and docs) are included in this PR.
• [ ] Any user-facing changes are mentioned in CHANGELOG.md.
• [ ] All added/changed functionality is tested.

[codecov[bot]]

Codecov Report

Merging #102 (79293f7) into master (79bd08f) will not change coverage. The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #102   +/-   ##
=======================================
  Coverage   43.39%   43.39%           
=======================================
  Files          12       12           
  Lines         560      560           
=======================================
  Hits          243      243           
  Misses        306      306           
  Partials       11       11           

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