Add support for demangling symbols #338

Job	Run time
Check generated C header	36s
Generate documentation	13s
Benchmark	6m 11s
Build [ubuntu-latest, 1.63.0, dev, ]	1m 18s
Build [ubuntu-latest, 1.63.0, release, ]	1m 25s
Build [ubuntu-latest, stable, dev, ]	28s
Build [ubuntu-latest, stable, release, ]	30s
Build [macos-latest, 1.63.0, dev, ]	2m 39s
Build [macos-latest, 1.63.0, release, ]	2m 13s
Build [macos-latest, stable, dev, ]	1m 10s
Build [macos-latest, stable, release, ]	1m 12s
Build [ubuntu-latest, stable, dev, --no-default-features]	28s
Lint with clippy	51s
Check code formatting	18s
No-op rebuilds	57s
Test with release build	2m 36s
Test and coverage	2m 11s
Test with address sanitizer	3m 45s
Test with leak sanitizer	2m 45s
	31m 46s

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