Bump Swatinem/rust-cache from 2.8.0 to 2.8.1 (#63)

Bumps [Swatinem/rust-cache](https://github.com/swatinem/rust-cache) from 2.8.0 to 2.8.1.
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@98c8021...f13886b)

---
updated-dependencies:
- dependency-name: Swatinem/rust-cache
  dependency-version: 2.8.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/python-ci.yml

@@ -80,7 +80,7 @@ jobs:
             python=${{matrix.python-version}}
 
       - name: Create rust cache
-        uses: Swatinem/rust-cache@98c8021b550208e191a6a3145459bfc9fb29c4c0 # 2.8.0
+        uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # 2.8.1
         with:
           prefix-key: "py${{ matrix.python-version }}"
 

.github/workflows/rust-ci.yml

@@ -82,7 +82,7 @@ jobs:
             python=${{ matrix.python-version }}
 
       # - name: Create rust cache
-      #   uses: Swatinem/rust-cache@98c8021b550208e191a6a3145459bfc9fb29c4c0 # 2.8.0
+      #   uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # 2.8.1
       #   with:
       #     prefix-key: "py${{ matrix.python-version }}"
 
@@ -172,7 +172,7 @@ jobs:
             python=${{ matrix.python-version }}
 
       - name: Create rust cache
-        uses: Swatinem/rust-cache@98c8021b550208e191a6a3145459bfc9fb29c4c0 # 2.8.0
+        uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1 # 2.8.1
 
       - name: Cargo clippy
         run: |