Bump actions/cache from 4 to 5 (#1011)

Bumps [actions/cache](https://github.com/actions/cache) from 4 to 5.
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4...v5)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-version: '5'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/elixir.yml

@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v6
       # cache the ASDF directory, using the values from .tool-versions
       - name: ASDF cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: ~/.asdf
           key: ${{ runner.os }}-asdf-v2-${{ hashFiles('.tool-versions') }}
@@ -32,7 +32,7 @@ jobs:
           $ASDF_DIR/bin/asdf reshim
       - name: Restore dependencies cache
         id: deps-cache
-        uses: actions/cache@v4
+        uses: actions/cache@v5
         with:
           path: deps
           key: ${{ runner.os }}-mix-${{ hashFiles('**/mix.lock') }}