chore(deps): bump actions/cache from 4 to 5

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](https://github.com/actions/cache/compare/v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/linutil.yml

@@ -21,14 +21,14 @@ jobs:
         run: sudo apt-get update && sudo apt-get install musl-tools
         
       - name: Cache Cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cargo/registry
           key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: ${{ runner.os }}-cargo-registry-
 
       - name: Cache Cargo index
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cargo/git
           key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}

.github/workflows/rust.yml

@@ -27,14 +27,14 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
 
       - name: Cache Cargo registry
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cargo/registry
           key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
           restore-keys: ${{ runner.os }}-cargo-registry-
 
       - name: Cache Cargo index
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.cargo/git
           key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}