[github-workflows]: Bump actions/cache from 3 to 4 (#31)

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>

.github/workflows/checks.yaml

@@ -13,7 +13,7 @@ jobs:
       - uses: actions/checkout@v4
       # cache the ASDF directory, using the values from .tool-versions
       - name: ASDF cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.asdf
           key: ${{ runner.os }}-asdf-v2-${{ hashFiles('.tool-versions') }}
@@ -30,7 +30,7 @@ jobs:
 
       - uses: actions/checkout@v4
       - name: ASDF cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ~/.asdf
           key: ${{ runner.os }}-asdf-v2-${{ hashFiles('.tool-versions') }}