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]>

Author: dependabot[bot]

.github/workflows/test.yaml

@@ -49,7 +49,7 @@ jobs:
           ruby-version: ${{ matrix.ruby }}
           bundler-cache: true
       - name: Cache local temporary directory
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: tmp
           key: "local-tmp-redis-7.0-on-ubuntu-latest"
@@ -87,7 +87,7 @@ jobs:
           ruby-version: truffleruby
           bundler-cache: true
       - name: Cache local temporary directory
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: tmp
           key: "local-tmp-redis-7.0-on-ubuntu-latest"
@@ -125,7 +125,7 @@ jobs:
           ruby-version: "2.5"
           bundler-cache: true
       - name: Cache local temporary directory
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: tmp
           key: "local-tmp-redis-7.0-on-ubuntu-latest"
@@ -162,7 +162,7 @@ jobs:
           ruby-version: "2.5"
           bundler-cache: true
       - name: Cache local temporary directory
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: tmp
           key: "local-tmp-redis-${{ matrix.redis }}-on-ubuntu-latest"
@@ -197,7 +197,7 @@ jobs:
           ruby-version: "2.5"
           bundler-cache: true
       - name: Cache local temporary directory
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: tmp
           key: "local-tmp-redis-7.0-on-ubuntu-latest"
@@ -234,7 +234,7 @@ jobs:
           ruby-version: "2.7"
           bundler-cache: true
       - name: Cache local temporary directory
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: tmp
           key: "local-tmp-redis-7.0-on-ubuntu-latest"