deduplicate CLI subcommands, parser setup, and repo commands

[rfbgo]

No description provided.

[gemini-code-assist]

Code Review

This pull request refactors subcommand parser setup across multiple command modules (including data, deployment, and workspace) by extracting common setup logic into a new helper function, setup_subcommands_from_prefix, in ramble/cmd/common/__init__.py. It also extracts repository addition and removal configuration logic in repo.py into helper functions, and adds unit tests for the new common functions. Feedback on these changes suggests removing the redundant explicit import of the builtins module and referencing standard built-in types like list and tuple directly rather than prefixing them with builtins..

[ramble-pr-bot]

Ramble Performance Test Metrics

Results produced with commit: b7de116

Test Name	Outcome	Duration (s)	Most Recent Run (s)	Last 5 Avg (s)
test_analyze_large_file	passed	2.1534	2.1404 (a5553af)	2.0915
test_large_template_expansion	passed	1.2318	1.2326 (a5553af)	1.2055
test_many_experiments	passed	25.3303	25.5650 (a5553af)	24.3481
test_many_objects_defaults	passed	13.8398	14.0516 (a5553af)	13.6431
test_matrix_filter_perf	passed	1.1702	1.1342 (a5553af)	1.0928

[codecov]

Codecov Report

❌ Patch coverage is 90.29126% with 10 lines in your changes missing coverage. Please review.
✅ Project coverage is 94.03%. Comparing base (a5553af) to head (b7de116).

Files with missing lines	Patch %	Lines
lib/ramble/ramble/cmd/repo.py	79.48%	8 Missing ⚠️
lib/ramble/ramble/test/cmd/common.py	94.11%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff            @@
##           develop    #1737   +/-   ##
========================================
  Coverage    94.02%   94.03%           
========================================
  Files          367      368    +1     
  Lines        36933    36910   -23     
========================================
- Hits         34728    34710   -18     
+ Misses        2205     2200    -5     

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