Only include the required tket2 extensions when compiling packages

[aborgna-q]

Currently we bundle all the tket2 extensions in the packages all the time.
We should detect which extensions are actually being used, and only include those.

guppylang/guppylang/module.py

Lines 337 to 343 in 473745f

	# TODO: Currently we just include a hardcoded list of extensions. We should
	# compute this dynamically from the imported dependencies instead.
	#
	# The hugr prelude and std_extensions are implicit.
	from guppylang.prelude._internal.compiler.quantum import TKET2_EXTENSIONS
	extensions = [*TKET2_EXTENSIONS, guppylang.compiler.hugr_extension.EXTENSION]