build(deps): bump Swatinem/rust-cache from 2.8.0 to 2.8.1 (#14516)

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/integration.yml

@@ -199,7 +199,7 @@ jobs:
           tar -xzf nextest.tar.gz
           mv cargo-nextest ~/.cargo/bin/
           chmod +x ~/.cargo/bin/cargo-nextest
-      - uses: Swatinem/rust-cache@98c8021b550208e191a6a3145459bfc9fb29c4c0
+      - uses: Swatinem/rust-cache@f13886b937689c021905a6b90929199931d60db1
       - run: just policy-test-build
       - run: just k3d-k8s='${{ matrix.k8s }}' k3d-create
       - run: docker load <image-archives/controller.tar