update dockerize CLI success msg copy

[aniketmaurya]

Before submitting

• Was this discussed/agreed via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

What does this PR do?

dockerize CLI success msg will emphasis to update the Dockerfile to add any additional dependency.

PR review

Anyone in the community is free to review the PR once the tests have passed.
If we didn't discuss your PR in GitHub issues there's a high chance it will not be merged.

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 95%. Comparing base (830e4c0) to head (cb343bd).
Report is 3 commits behind head on main.

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #312   +/-   ##
===================================
  Coverage    95%    95%           
===================================
  Files        21     21           
  Lines      1316   1316           
===================================
  Hits       1245   1245           
  Misses       71     71