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)"
@@ -97,6 +99,8 @@ jobs:
         with:
           tool: cargo-insta
       - 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
@@ -146,6 +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
@@ -159,6 +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
@@ -227,6 +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"
@@ -242,6 +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"
@@ -267,6 +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"
@@ -300,6 +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
@@ -352,6 +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