Remove graph from src/constraints/ramping-and-unit-commitment.jl

[abelsiqueira]

Blocked by #978 and #979

• Create a field coefficients in TulipaConstraint to allow attaching numeric columns to constraints without modifying the DuckDB table.
• Remove graph from src/constraints/ramping-and-unit-commitment.jl

Part of #942

[github-actions]

Benchmark Results

	7847593...	0a0ea7a...	7847593.../0a0ea7a3fee5fe...
energy_problem/create_model	45.6 ± 1.1 s	43.9 ± 1.8 s	1.04
energy_problem/input_and_constructor	18.5 ± 0.27 s	17.7 ± 0.65 s	1.05
time_to_load	3.91 ± 0.011 s	3.95 ± 0.037 s	0.988

	7847593...	0a0ea7a...	7847593.../0a0ea7a3fee5fe...
energy_problem/create_model	0.583 G allocs: 22.8 GB	0.584 G allocs: 22.8 GB	0.999
energy_problem/input_and_constructor	0.0675 G allocs: 2.37 GB	0.0675 G allocs: 2.37 GB	1
time_to_load	0.159 k allocs: 11.2 kB	0.159 k allocs: 11.2 kB	1

Benchmark Plots

A plot of the benchmark results have been uploaded as an artifact to the workflow run for this PR.
Go to "Actions"->"Benchmark a pull request"->[the most recent run]->"Artifacts" (at the bottom).

[codecov]

Codecov Report

Attention: Patch coverage is 94.11765% with 1 line in your changes missing coverage. Please review.

Project coverage is 95.31%. Comparing base (7847593) to head (0a0ea7a).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
src/structures.jl	80.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #980      +/-   ##
==========================================
+ Coverage   95.00%   95.31%   +0.31%     
==========================================
  Files          29       29              
  Lines        1101     1110       +9     
==========================================
+ Hits         1046     1058      +12     
+ Misses         55       52       -3     

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[datejada]

Reviewed during online meeting