build(deps): bump Swatinem/rust-cache from 2.6.0 to 2.6.1

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 2.6.0 to 2.6.1.
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@b8a6852...578b235)

---
updated-dependencies:
- dependency-name: Swatinem/rust-cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/ci.yml

@@ -21,7 +21,7 @@ jobs:
       run: |
         rustup update
         rustup component add clippy
-    - uses: Swatinem/rust-cache@b8a6852b4f997182bdea832df3f9e153038b5191
+    - uses: Swatinem/rust-cache@578b235f6e5f613f7727f1c17bd3305b4d4d4e1f
     - name: Lint
       run: make lint
 
@@ -33,14 +33,14 @@ jobs:
       run: |
         sudo apt-get install -y musl-tools
         rustup target add x86_64-unknown-linux-musl
-    - uses: Swatinem/rust-cache@b8a6852b4f997182bdea832df3f9e153038b5191
+    - uses: Swatinem/rust-cache@578b235f6e5f613f7727f1c17bd3305b4d4d4e1f
     - run: make static
 
   test:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
-    - uses: Swatinem/rust-cache@b8a6852b4f997182bdea832df3f9e153038b5191
+    - uses: Swatinem/rust-cache@578b235f6e5f613f7727f1c17bd3305b4d4d4e1f
     - run: env RUSTFLAGS="@$PWD/rustc-flags" make build
     - name: Deps
       run: |