Roll to autocxx-bindgen 0.70.1. #2035

Job	Run time
Test forcing wrapper generation	11m 20s
Address Sanitizer	16m 40s
Examples Rust nightly	6m 33s
Examples Rust beta	6m 22s
Clippy	3m 14s
Examples Rust stable	4m 52s
Docs	3m 50s
Format	5s
Examples macOS	6m 11s
Outdated	12s
Examples Windows (gnu)	9m 19s
Examples Windows (msvc)	7m 49s
Test Rust nightly	9m 37s
Test Rust beta	11m 2s
Test Rust stable	11m 38s
Test macOS	9m 55s
Test Windows (msvc)	14m 49s
	2h 13m 28s

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