feat: `Option` / `Result` helpers #1967

Job	Run time
Check for changes in Python files	6s
Build HUGR binary	50s
check python 3.10	20s
check python 3.12	14s
Check serialization schema	10s
test python 3.10	15s
test python 3.12	17s
Required checks 🐍	1s
	2m 13s

Provide feedback