fix incorrect type label in `TypeNames::mangle_name` (#183) #171

Job	Run time
Populate cache	12m 22s
Build Python sdist	1m 4s
Build and release (macos-latest, aarch64, aarch64, WebAssembly, arm64-macos, --target aarch64-app...	14m 40s
Build and release (ubuntu-latest, amd64, x86_64, dicej, x86_64-linux, target/release)	16m 15s
Build and release (windows-latest, amd64, x64, WebAssembly, x86_64-windows, .exe, target/release)	26m 47s
Build and release (macos-latest, amd64, x86_64, WebAssembly, arm64-macos, target/release)	18m 30s
Build and release (ubuntu-latest, aarch64, aarch64, WebAssembly, x86_64-linux, --target aarch64-u...	18m 47s
Generate checksums	7s
Update canary release	40s
	1h 49m 12s

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