feat: Render function names in `mermaid`/`dot` #2312

Job	Run time
Check for changes in Python files	3s
Build HUGR binary	48s
check python 3.10	12s
Check serialization schema	16s
check python 3.13	16s
test python 3.10	41s
test python 3.13	27s
Required checks 🐍	1s
	2m 44s

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