Bump juliangruber/read-file-action from 1.1.7 to 1.1.8 (#4117)

Bumps [juliangruber/read-file-action](https://github.com/juliangruber/read-file-action) from 1.1.7 to 1.1.8.
- [Release notes](https://github.com/juliangruber/read-file-action/releases)
- [Commits](juliangruber/read-file-action@b549046...271ff31)

---
updated-dependencies:
- dependency-name: juliangruber/read-file-action
  dependency-version: 1.1.8
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

.github/workflows/issue-commenter.yml

@@ -13,7 +13,7 @@ jobs:
 
       - name: Read issue-comment.md
         id: issue-comment
-        uses: juliangruber/read-file-action@b549046febe0fe86f8cb4f93c24e284433f9ab58
+        uses: juliangruber/read-file-action@271ff311a4947af354c6abcd696a306553b9ec18
         with:
           path: .github/issue-comment.md