chore(deps): bump ruby/setup-ruby from 1.281.0 to 1.284.0 (#196)

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

Author: dependabot[bot]

.github/workflows/lint-markdown.yaml

@@ -36,7 +36,7 @@ jobs:
 
       - name: Set up Ruby
         # See https://github.com/ruby/setup-ruby#versioning
-        uses: ruby/setup-ruby@675dd7ba1b06c8786a1480d89c384f5620a42647  # v1.281.0
+        uses: ruby/setup-ruby@80740b3b13bf9857e28854481ca95a84e78a2bdf  # v1.284.0
         with:
           ruby-version: 3.0