build(deps): bump actions/cache from 3 to 4 in the all-actions group (openwallet-foundation#34)

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


Updates `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
  dependency-group: all-actions
...

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/ci.yml

@@ -66,7 +66,7 @@ jobs:
           echo "STORE_PATH=$(pnpm store path)" >> $GITHUB_OUTPUT
 
       - name: pnpm cache
-        uses: actions/cache@v3
+        uses: actions/cache@v4
         with:
           path: ${{ steps.pnpm-cache-path.outputs.STORE_PATH }}
           key: ${{ runner.os }}-${{ steps.setup-node.outputs.node-version }}-pnpm-store-${{ hashFiles('**/pnpm-lock.yaml') }}