ra-ap-rustc_index_macros 0.70.0

Automatically published version of the package `rustc_index_macros` in the rust-lang/rust repository from commit 7d53688b25d52d822c7094ee80db42b2b2f2a8d3 The publishing script for this crate lives at: https://github.com/rust-analyzer/rustc-auto-publish