chore(deps): update toshimaru/auto-author-assign action to v3.1.0 (#150)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/pr-assign-author.yml

@@ -18,4 +18,4 @@ jobs:
       pull-requests: write
     runs-on: ubuntu-latest
     steps:
-      - uses: toshimaru/auto-author-assign@3e19bfc990cb1cf0589dce95e9f75289bb1e22de # v3.0.3
+      - uses: toshimaru/auto-author-assign@a78a94b219445cece8ccf0d45fec60af449f212a # v3.1.0