chore(deps): update ruby/setup-ruby action to v1.280.0 (#115)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/cd-pages-publish.yaml

@@ -43,7 +43,7 @@ jobs:
         with:
           persist-credentials: false
       - name: Setup Ruby
-        uses: ruby/setup-ruby@b90be12699fdfcbee4440c2bba85f6f460446bb0 # v1.279.0
+        uses: ruby/setup-ruby@d5f787ce339eb0767271bc01d922e85644c2c8ab # v1.280.0
         with:
           ruby-version: ${{ inputs.ruby-version }}
           bundler-cache: true