Merge pull request #68 from AlexRogalskiy/dependabot/github_actions/actions/cache-v2.1.4

github-actions: bump actions/cache from v2 to v2.1.4

Author: AlexRogalskiy

.github/workflows/changelog.yml

@@ -20,7 +20,7 @@ jobs:
         uses: ruby/setup-ruby@v1
         with:
           ruby-version: 3.0
-      - uses: actions/cache@v2
+      - uses: actions/cache@v2.1.4
         with:
           path: vendor/bundle
           key: ${{ runner.os }}-changelog-gem