chore: allow miri to use latest nightly once again
This reverts as miri seems to be working again on the latest nightly.
I had originally thought it was this issue with rustup which was to blame, but this seems to be wrong:
@@ -195,7 +195,7 @@ jobs:
- name: Install Rust ${{ env.rust_nightly }}
uses: actions-rs/toolchain@v1
with:
- toolchain: nightly-2022-07-10
+ toolchain: nightly
components: miri
override: true
- uses: Swatinem/rust-cache@v1
