Allow querying for edge parameter default values. #1044

Job	Run time
Run JS linters	1m 49s
Run tests	6m 27s
Check fuzz targets	46s
Check lint and rustfmt	1m 27s
Python tests and maturin build (3.9)	1m 23s
Python tests and maturin build (3.10)	1m 53s
Python tests and maturin build (3.11)	1m 22s
WASM tests	1m 53s
pre-publish checks	0s
All CI stages	1s
pre-publish checks	0s
publish trustfall_filetests_macros	0s
publish trustfall_core	0s
publish python trustfall	0s
publish trustfall	0s
publish trustfall	0s
publish trustfall_stubgen	0s
	17m 1s

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