build(deps): bump actions/cache from 3 to 4 (#119)

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.github/workflows/tf-lint.yml

@@ -16,7 +16,7 @@ jobs:
  - uses: actions/checkout@v4
  name: Checkout source code
 
- - uses: actions/cache@v3
+ - uses: actions/cache@v4
  name: Cache plugin dir
  with:
  path: ~/.tflint.d/plugins