chore(deps): update reviewdog/action-yamllint action to v1.21.0

Author: renovate[bot]

.github/workflows/yamllint.yaml

@@ -7,7 +7,7 @@ jobs:
     steps:
       - uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4
       - name: yamllint
-        uses: reviewdog/action-yamllint@e09f07780388032a624e9eb44a23fd1bbb4052cc # v1.19.0
+        uses: reviewdog/action-yamllint@f01d8a48fd8d89f89895499fca2cff09f9e9e8c0 # v1.21.0
         with:
           reporter: github-pr-review
           filter_mode: nofilter