chore(deps): bump actions/cache from v2 to v2.1.4

Bumps [actions/cache](https://github.com/actions/cache) from v2 to v2.1.4.
- [Release notes](https://github.com/actions/cache/releases)
- [Commits](actions/cache@v2...26968a0)

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

.github/workflows/ci.yaml

@@ -15,7 +15,7 @@ jobs:
         with:
           node-version: 14.15.4
       - name: Setup build cache
-        uses: actions/cache@v2
+        uses: actions/cache@v2.1.4
         with:
           path: ~/.npm
           key: ${{ runner.os }}-node-${{ hashFiles('**/package-lock.json') }}