Mark gc_loaded as nofree

[wsmoses]

No description provided.

[github-actions]

Benchmark Results

	main	3995ff8...	main/3995ff89348b26...
basics/overhead	4.33 ± 0.01 ns	4.03 ± 0.01 ns	1.07
time_to_load	1.14 ± 0.012 s	1.13 ± 0.0018 s	1.02

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).