Bump the actions-version group with 1 update (#219)

* Bump the actions-version group with 1 update

Bumps the actions-version group with 1 update: [actions/cache](https://github.com/actions/cache).


Updates `actions/cache` from 4.0.1 to 4.0.2
- [Release notes](https://github.com/actions/cache/releases)
- [Changelog](https://github.com/actions/cache/blob/main/RELEASES.md)
- [Commits](actions/cache@v4.0.1...v4.0.2)

---
updated-dependencies:
- dependency-name: actions/cache
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: actions-version
...

Signed-off-by: dependabot[bot] <[email protected]>

* Try shell: bash.

* Rerun CI to see if caching works.

---------

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Corwin Kerr <[email protected]>
Co-authored-by: Bradley Dice <[email protected]>

.github/workflows/run-pytest.yml

@@ -52,9 +52,10 @@ jobs:
         python-version: ${{ matrix.python }}
     - name: Get pip cache dir
       id: pip-cache
+      shell: bash
       run: |
         echo "dir=$(pip cache dir)" >> $GITHUB_OUTPUT
-    - uses: actions/[email protected].1
+    - uses: actions/[email protected].2
       with:
         path: ${{ steps.pip-cache.outputs.dir }}
         key: dashboard-unit-test-${{ matrix.os }}-${{ matrix.python }}-${{ matrix.dependencies }}-pip-${{ hashFiles('requirements/requirements-test.txt', '.github/workflows/ci-oldest-reqs.txt') }}