transition: bindgen 0.66 -> 0.70

Packages that depend on librust-bindgen-dev, from codesearch:

• oxigraph (Jonas, submitted #1087350)
• rust-aom-sys
• rust-apr (no changes needed)
• rust-bindgen-cli
• rust-capstone-sys
• rust-cryptoki-sys (no changes needed)
• rust-drm-fourcc
• rust-devicemapper-sys (no changes needed)
• rust-drm-sys
• rust-exacl
• rust-fts-sys
• rust-input-sys
• rust-io-uring (no changes needed)
• rust-laurel (no changes needed)
• rust-leptonica-sys (Jonas, submitted #1087401)
• rust-libbpf-sys
• rust-libnotcurses-sys (removed from testing, no reverse deps, RoM filed #1087284)
• rust-libraw-rs-sys
• rust-libspa-sys
• rust-libsqlite3-sys (no changes needed)
• rust-lmdb-master-sys
• rust-loopdev
• rust-nettle-sys
• rust-onig-sys (no changes needed)
• rust-openssl-sys (no changes needed)
• rust-parsec-service
• rust-pipewire (no changes needed)
• rust-pipewire-sys
• rust-psa-crypto-sys (RC bug #1075880 will hopefully be fixed, tested using mbedtls patched as in #1085354)
• rust-rb-sys-build
• rust-selinux-sys
• rust-subversion (FTBFS on most arches)
• rust-tesseract-sys (Jonas, submitted #1087403)
• rust-trivialdb (no changes needed)
• rust-tss-esapi-sys
• rust-xkbcommon-sys
• rust-zstd-sys

dev/list-rdeps.sh lists oxigraph as the only package whose autopkgtest are triggered by bindgen. B-D on CLI bindgen (check: checked to build using exp's bindgen):

• chromium
• clamav
• mesa