Bump actions/cache from 2.1.6 to 2.1.7 (#42176)

Bumps [actions/cache](https://github.com/actions/cache) from 2.1.6 to 2.1.7.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](https://github.com/actions/cache/compare/v2.1.6...v2.1.7)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/publish.yml

@@ -24,7 +24,7 @@ jobs:
     - name: Get yarn cache directory path
       id: yarn-cache-dir-path
       run: echo "::set-output name=dir::$(yarn config get cacheFolder)"
-    - uses: actions/cache@v2.1.6
+    - uses: actions/cache@v2.1.7
       with:
         path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
         key: yarn-${{ hashFiles('**/yarn.lock') }}