message: ci: update audit workflow
  Manually install the audit crate as part of the audit CI since it seems to be using too old of a version of Rust.
diff: @@ -10,9 +10,21 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - uses: actions/checkout@v2
  - - uses: actions-rs/install@master
  +
  + - uses: Swatinem/rust-cache@842ef286fff290e445b90b4002cc9807c3669641 # 1.3.0
  +
  + - name: Install toolchain
  + uses: actions-rs/toolchain@88dc2356392166efad76775c878094f4e83ff746 # https://github.com/actions-rs/toolchain/commit/88dc2356392166efad76775c878094f4e83ff746
  with:
  - crate: cargo-audit
  + profile: minimal
  + toolchain: stable
  + override: true
  + target: ${{ matrix.triple.target }}
  +
  + - name: Install cargo-audit
  + run: |
  + cargo install cargo-audit --locked
  +
  - uses: actions-rs/audit-check@35b7b53b1e25b55642157ac01b4adceb5b9ebef3 # 1.2.0
  with:
  token: ${{ secrets.GITHUB_TOKEN }}
  