Change docstring of setup_libtorch.sh

[ke7kto]

Change docstring of setup_libtorch.sh --libtorch-distribution parameter to show options which lead to valid downloads and successful script execution. Have not tested against anything other than cu124. #closes #29024

[moosebuild]

Job Documentation, step Docs: sync website on 9c4ad51 wanted to post the following:

View the site here

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[moosebuild]

Job Coverage, step Generate coverage on 9c4ad51 wanted to post the following:

Framework coverage

	681f13	#29025 9c4ad5
	Total	Total	+/-	New
Rate	85.11%	85.11%	+0.00%	-
Hits	106975	106976	+1	0
Misses	18716	18715	-1	0

Diff coverage report

Full coverage report

Modules coverage

Coverage did not change

Full coverage reports

Reports

• framework
• chemical_reactions
• combined
• contact
• electromagnetics
• external_petsc_solver
• fluid_properties
• fsi
• functional_expansion_tools
• geochemistry
• heat_transfer
• level_set
• misc
• navier_stokes
• optimization
• peridynamics
• phase_field
• porous_flow
• ray_tracing
• rdg
• reactor
• richards
• scalar_transport
• solid_mechanics
• solid_properties
• stochastic_tools
• thermal_hydraulics
• xfem

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[moosebuild]

Job Conda MOOSE (Linux) on 9c4ad51 : invalidated by @grmnptr

[grmnptr]

Thanks so much for your contribution!