Bump actions/cache from 3 to 4

Bumps [actions/cache](https://github.com/actions/cache) from 3 to 4.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v3...v4)

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

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

.github/workflows/release.yml

@@ -74,12 +74,12 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/registry
           key: ${{ runner.os }}-cargo-registry-${{ hashFiles('Cargo.lock') }}
 
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         if: startsWith(matrix.name, 'linux-')
         with:
           path: ~/.cargo/bin
@@ -159,7 +159,7 @@ jobs:
 
     steps:
       - uses: actions/checkout@v4
-      - uses: actions/cache@v3
+      - uses: actions/cache@v4
         with:
           path: ~/.cargo/bin
           key: sign-tools-${{ hashFiles('.github/workflows/release.yml') }}