chore(deps): update reviewdog/action-shellcheck action to v1.20.0 (#267)

| datasource  | package                     | from    | to      |
| ----------- | --------------------------- | ------- | ------- |
| github-tags | reviewdog/action-shellcheck | v1.17.0 | v1.20.0 |

Author: stackable-bot

.github/workflows/pr_reviewdog.yml

@@ -55,7 +55,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@8ade135a41bc03ea155e62e844d188df1ea18608 # v4.1.0
-      - uses: reviewdog/action-shellcheck@f52d78284b4941028952125a10c76676c3d456eb # v1.17.0
+      - uses: reviewdog/action-shellcheck@72365a51bf6476fe952a117c3ff703eb7775e40a # v1.20.0
         with:
           github_token: ${{ secrets.GITHUB_TOKEN }}