Bump dtolnay/rust-toolchain (#1006)

Bumps [dtolnay/rust-toolchain](https://github.com/dtolnay/rust-toolchain) from a54c7afa936fefeb4456b2dd8068152669aa8203 to 888c2e1ea69ab0d4330cbf0af1ecc7b68f368cc1.
- [Release notes](https://github.com/dtolnay/rust-toolchain/releases)
- [Commits](a54c7afa93...888c2e1ea6)

---
updated-dependencies:
- dependency-name: dtolnay/rust-toolchain
  dependency-type: direct:production
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

.github/workflows/ci.yml

@@ -122,7 +122,7 @@ jobs:
             ~/.cargo/git/db/
             src/_bcrypt/target/
           key: ${{ runner.os }}-${{ matrix.PYTHON.VERSION }}-${{ steps.setup-python.outputs.python-version }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-      - uses: dtolnay/rust-toolchain@a54c7afa936fefeb4456b2dd8068152669aa8203
+      - uses: dtolnay/rust-toolchain@888c2e1ea69ab0d4330cbf0af1ecc7b68f368cc1
         with:
           toolchain: ${{ matrix.PYTHON.RUST_VERSION || 'stable' }}
 

.github/workflows/wheel-builder.yml

@@ -186,7 +186,7 @@ jobs:
         run: |
           curl "${{ matrix.PYTHON.DOWNLOAD_URL }}" -o python.pkg
           sudo installer -pkg python.pkg -applyChoiceChangesXML .github/config/macos-pkg-choices-freethreaded.xml -target /
-      - uses: dtolnay/rust-toolchain@a54c7afa936fefeb4456b2dd8068152669aa8203
+      - uses: dtolnay/rust-toolchain@888c2e1ea69ab0d4330cbf0af1ecc7b68f368cc1
         with:
           toolchain: stable
           # Add the arm64 target in addition to the native arch (x86_64)
@@ -243,7 +243,7 @@ jobs:
         with:
           python-version: ${{ matrix.PYTHON.VERSION }}
           architecture: ${{ matrix.WINDOWS.ARCH }}
-      - uses: dtolnay/rust-toolchain@a54c7afa936fefeb4456b2dd8068152669aa8203
+      - uses: dtolnay/rust-toolchain@888c2e1ea69ab0d4330cbf0af1ecc7b68f368cc1
         with:
           toolchain: stable
           target: ${{ matrix.WINDOWS.RUST_TRIPLE }}