Bump Swatinem/rust-cache from 2.8.2 to 2.9.1 in the actions-minor group

Bumps the actions-minor group with 1 update: [Swatinem/rust-cache](https://github.com/swatinem/rust-cache).


Updates `Swatinem/rust-cache` from 2.8.2 to 2.9.1
- [Release notes](https://github.com/swatinem/rust-cache/releases)
- [Changelog](https://github.com/Swatinem/rust-cache/blob/master/CHANGELOG.md)
- [Commits](Swatinem/rust-cache@779680d...c193711)

---
updated-dependencies:
- dependency-name: Swatinem/rust-cache
  dependency-version: 2.9.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: actions-minor
...

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

Author: dependabot[bot]

.github/workflows/ci.yml

@@ -47,7 +47,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - run: rustup --version
-      - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5  # v2.8.2
+      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4  # v2.9.1
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: Install cargo-audit
         run: cargo install cargo-audit
@@ -59,7 +59,7 @@ jobs:
     steps:
       - run: rustup --version
       - name: Cache Cargo registry and dependencies
-        uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5  # v2.8.2
+        uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4  # v2.9.1
       - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd  # v6.0.2
       - name: cargo generate-lockfile
         if: hashFiles('Cargo.lock') == ''