Empty commit to test cache

By default, the cache key includes the job identifier so we have a separate cache for each of our CI builds

.github/workflows/ci.yaml

@@ -77,6 +77,8 @@ jobs:
           rustup component add clippy
           rustup target add wasm32-unknown-unknown
       - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "ci"
       - name: "Clippy"
         run: cargo clippy --workspace --all-targets --all-features -- -D warnings
       - name: "Clippy (wasm)"
@@ -88,10 +90,6 @@ jobs:
         os: [ubuntu-latest, windows-latest]
     runs-on: ${{ matrix.os }}
     name: "cargo test | ${{ matrix.os }}"
-    env:
-      CARGO_INCREMENTAL: 0
-      SCCACHE_GHA_ENABLED: "true"
-      RUSTC_WRAPPER: "sccache"
     steps:
       - uses: actions/checkout@v4
       - name: "Install Rust toolchain"
@@ -100,10 +98,9 @@ jobs:
         uses: taiki-e/install-action@v2
         with:
           tool: cargo-insta
-      - name: Set up basic Rust cache
-        uses: Swatinem/rust-cache@v2
-      - name: Set up sccache
-        uses: mozilla-actions/sccache-action@v0.0.3
+      - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "ci"
       - name: "Run tests (Ubuntu)"
         if: ${{ matrix.os == 'ubuntu-latest' }}
         run: cargo insta test --all --all-features --unreferenced reject
@@ -153,6 +150,8 @@ jobs:
           cache-dependency-path: playground/package-lock.json
       - uses: jetli/wasm-pack-action@v0.4.0
       - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "ci"
       - name: "Run wasm-pack"
         run: |
           cd crates/ruff_wasm
@@ -166,6 +165,8 @@ jobs:
       - name: "Install Rust toolchain"
         run: rustup component add rustfmt
       - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "ci"
       - run: ./scripts/add_rule.py --name DoTheThing --prefix PL --code C0999 --linter pylint
       - run: cargo check
       - run: cargo fmt --all --check
@@ -234,6 +235,8 @@ jobs:
         # Only pinned to make caching work, update freely
         run: rustup toolchain install nightly-2023-06-08
       - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "ci"
       - name: "Install cargo-udeps"
         uses: taiki-e/install-action@cargo-udeps
       - name: "Run cargo-udeps"
@@ -249,6 +252,8 @@ jobs:
           python-version: ${{ env.PYTHON_VERSION }}
           architecture: x64
       - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "ci"
       - name: "Prep README.md"
         run: python scripts/transform_readme.py --target pypi
       - name: "Build wheels"
@@ -274,6 +279,8 @@ jobs:
       - name: "Install Rust toolchain"
         run: rustup show
       - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "ci"
       - name: "Install pre-commit"
         run: pip install pre-commit
       - name: "Cache pre-commit"
@@ -307,6 +314,8 @@ jobs:
       - name: "Install Rust toolchain"
         run: rustup show
       - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "ci"
       - name: "Install Insiders dependencies"
         if: ${{ env.MKDOCS_INSIDERS_SSH_KEY_EXISTS == 'true' }}
         run: pip install -r docs/requirements-insiders.txt
@@ -359,6 +368,8 @@ jobs:
           tool: cargo-codspeed
 
       - uses: Swatinem/rust-cache@v2
+        with:
+          shared-key: "ci"
 
       - name: "Build benchmarks"
         run: cargo codspeed build --features codspeed -p ruff_benchmark