Bump gustavofreze/auto-assign from 1.1.4 to 2.1.0 (#4)

Bumps [gustavofreze/auto-assign](https://github.com/gustavofreze/auto-assign) from 1.1.4 to 2.1.0.
- [Release notes](https://github.com/gustavofreze/auto-assign/releases)
- [Commits](gustavofreze/auto-assign@1.1.4...2.1.0)

---
updated-dependencies:
- dependency-name: gustavofreze/auto-assign
  dependency-version: 2.1.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

.github/workflows/AutoAssign.yml

@@ -16,7 +16,7 @@ jobs:
       pull-requests: write
     steps:
       - name: Assign issues and pull requests
-        uses: gustavofreze/auto-assign@1.1.4
+        uses: gustavofreze/auto-assign@2.1.0
         with:
           assignees: 'copilot-swe-agent'
           github_token: '${{ secrets.GITHUB_TOKEN }}'