refactor: resolve eslint warnings (max-depth, complexity) - src/cli/deploy.ts

[btlghrants]

Describe what should be investigated or refactored

Refactor of src/cli/deploy.ts to reduce complexity warnings:

/pepr/src/cli/deploy.ts
  28:13  warning  Async arrow function has too many statements (27). Maximum allowed is 20  max-statements
  28:13  warning  Async arrow function has a complexity of 17. Maximum allowed is 10        complexity

Additional context

Fixes #1538
In support of #1248

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.84%. Comparing base (ac27ad4) to head (7cb117e).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1577   +/-   ##
=======================================
  Coverage   80.84%   80.84%           
=======================================
  Files          42       42           
  Lines        1952     1952           
  Branches      451      424   -27     
=======================================
  Hits         1578     1578           
  Misses        372      372           
  Partials        2        2           

[samayer12]

Good refactor, breaks this gnarly block of deployment code into something much more manageable.