Update `bindgen` requirement to `=0.70.1` #2899

Job	Run time
Check	50s
Check ash, ash-window and ash-rewrite MSRV (1.69.0)	15s
Clippy (x86_64-pc-windows-msvc)	1m 23s
Build-test docs	52s
Clippy (x86_64-unknown-linux-gnu)	1m 14s
Rustfmt	8s
Clippy (x86_64-apple-darwin)	1m 7s
Generated	57s
Clippy (aarch64-apple-ios)	25s
Test Suite	1m 39s
	8m 50s

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