fix: Use hyphens consistently for CLI options

[WillDaSilva]

This is not a breaking change. All old CLI options will still work thanks to the normalization the CLI now does to the CLI option names.

Closes #2253

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[codecov]

Codecov Report

Merging #7982 (bbff884) into main (c3cae1d) will not change coverage.
Report is 2 commits behind head on main.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #7982   +/-   ##
=======================================
  Coverage   89.47%   89.47%           
=======================================
  Files         295      295           
  Lines       21791    21791           
  Branches     2440     2441    +1     
=======================================
  Hits        19498    19498           
  Misses       1937     1937           
  Partials      356      356           

Files Changed	Coverage Δ
src/meltano/cli/cli.py	83.78% <ø> (ø)
src/meltano/cli/initialize.py	89.18% <ø> (ø)
src/meltano/cli/upgrade.py	98.11% <ø> (ø)
tests/meltano/cli/test_initialize.py	100.00% <100.00%> (ø)

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[edgarrmondragon]

Nice!