Bump pozil/auto-assign-issue from 3 to 4

Bumps [pozil/auto-assign-issue](https://github.com/pozil/auto-assign-issue) from 3 to 4.
- [Release notes](https://github.com/pozil/auto-assign-issue/releases)
- [Commits](pozil/auto-assign-issue@v3...v4)

---
updated-dependencies:
- dependency-name: pozil/auto-assign-issue
  dependency-version: '4'
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

.github/workflows/issue_assignment.yml

@@ -14,7 +14,7 @@ jobs:
       issues: write
     steps:
       - name: "Auto-assign issue"
-        uses: pozil/auto-assign-issue@v3
+        uses: pozil/auto-assign-issue@v4
         with:
           teams: infrastructure
           repo-token: ${{ secrets.GITHUB_TOKEN }}