chore(deps): bump actions/cache from 3 to 4 (#361)

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

Author: dependabot[bot]

.github/workflows/build.yml

@@ -49,7 +49,7 @@ jobs:
           prefix-key: ${{ env.RUST_CACHE_PREFIX }}
       - name: Cache LLVM and Clang
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ runner.temp }}/llvm-${{ env.clang }}
           key: ubuntu-latest-llvm-${{ env.clang }}
@@ -130,7 +130,7 @@ jobs:
       # LLVM & Clang
       - name: Cache LLVM and Clang
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         # Macos build doesn't work with clang < 18. As a build for version 18 is not available, we skip the setup
         if: "!contains(matrix.os, 'windows') && !contains(matrix.os, 'macos')"
         with:

.github/workflows/docs.yml

@@ -31,7 +31,7 @@ jobs:
         uses: dtolnay/rust-toolchain@nightly
       - name: Cache LLVM and Clang
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ runner.temp }}/llvm-${{ matrix.clang }}
           key: ${{ matrix.os }}-llvm-${{ matrix.clang }}

.github/workflows/release-plz.yml

@@ -33,7 +33,7 @@ jobs:
         uses: dtolnay/rust-toolchain@stable
       - name: Cache LLVM and Clang
         id: cache-llvm
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ runner.temp }}/llvm-${{ env.clang }}
           key: ubuntu-latest-llvm-${{ env.clang }}