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/build.yml

@@ -48,7 +48,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Cache cargo dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             - ~/.cargo/bin/
@@ -61,7 +61,7 @@ jobs:
             ${{ runner.OS }}-cargo-
 
       - name: Cache build output dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: target
           key: ${{ runner.OS }}-build-${{ hashFiles('**/Cargo.lock') }}
@@ -97,7 +97,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Cache cargo dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: |
             - ~/.cargo/bin/
@@ -109,7 +109,7 @@ jobs:
             ${{ runner.OS }}-cargo-
 
       - name: Cache build output dependencies
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: target
           key: ${{ runner.OS }}-build-${{ hashFiles('**/Cargo.lock') }}