fix(cli): implement --prefix argument

[luckasRanarison]

• Fixes MET-738.

Migration notes

---

• The change comes with new or modified tests
• Hard-to-understand functions have explanatory comments
• End-user documentation is updated to reflect the change

[linear]

MET-738 Implement `--prefix` in `meta serialize`

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 line in your changes missing coverage. Please review.

Project coverage is 77.49%. Comparing base (a178fec) to head (1be4bbf).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/typegraph/deno/src/envs/cli.ts	0.00%	1 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #913   +/-   ##
=======================================
  Coverage   77.49%   77.49%           
=======================================
  Files         149      149           
  Lines       18357    18357           
  Branches     1788     1788           
=======================================
  Hits        14226    14226           
  Misses       4108     4108           
  Partials       23       23           

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