FEAT: implement `NO_CACHE` and `perform_cached_substitution()` (#454) #729

Job	Run time
style / Determine skipped pre-commit hooks	6s
pytest / Determine job matrix	6s
doc / linkcheck / Check external links	2m 35s
doc / nb / Execute and build documentation	1m 10s
style / Run local pre-commit hooks	1m 10s
pytest / Run unit tests (3.10, ubuntu-24.04)	2m 24s
pytest / Run unit tests (3.11, ubuntu-24.04)	1m 59s
pytest / Run unit tests (3.13, ubuntu-24.04)	1m 55s
pytest / Run unit tests (3.9, ubuntu-24.04)	2m 19s
pytest / Run unit tests (3.12, ubuntu-24.04, ampform)	5m 57s
pytest / Run unit tests (3.9, macos-14)	1m 54s
style / Push changes	0s
doc / Upload to GitHub Pages	0s
	21m 35s

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