Update Swatinem/rust-cache action to v2.1.0 (rust-lang#75)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -18,7 +18,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - run: rustup override set ${{env.MSRV}}
-      - uses: Swatinem/rust-cache@v2.0.2
+      - uses: Swatinem/rust-cache@v2.1.0
       - run: cargo check --workspace --all-targets
         env:
           RUSTFLAGS: "-D warnings"
@@ -29,7 +29,7 @@ jobs:
     steps:
       - uses: actions/checkout@v3
       - run: rustup override set ${{env.MSRV}}
-      - uses: Swatinem/rust-cache@v2.0.2
+      - uses: Swatinem/rust-cache@v2.1.0
       - run: cargo test --workspace
 
   fmt:
@@ -39,7 +39,7 @@ jobs:
       - uses: actions/checkout@v3
       - run: rustup override set ${{env.MSRV}}
       - run: rustup component add rustfmt
-      - uses: Swatinem/rust-cache@v2.0.2
+      - uses: Swatinem/rust-cache@v2.1.0
       - run: cargo fmt --all -- --check
 
   clippy:
@@ -49,5 +49,5 @@ jobs:
       - uses: actions/checkout@v3
       - run: rustup override set ${{env.MSRV}}
       - run: rustup component add clippy
-      - uses: Swatinem/rust-cache@v2.0.2
+      - uses: Swatinem/rust-cache@v2.1.0
       - run: cargo clippy --workspace -- --deny warnings