Merge pull request DSpace#5896 from DSpace/dependabot/github_actions/toshimaru/auto-author-assign-3.0.3

Bump toshimaru/auto-author-assign from 3.0.2 to 3.0.3

Author: tdonohue

.github/workflows/pull_request_opened.yml

@@ -21,4 +21,4 @@ jobs:
     # Assign the PR to whomever created it. This is useful for visualizing assignments on project boards
     # See https://github.com/toshimaru/auto-author-assign
     - name: Assign PR to creator
-      uses: toshimaru/auto-author-assign@v3.0.2
+      uses: toshimaru/auto-author-assign@v3.0.3