Update

Author: zhujiem

.github/workflows/contributor.yml

@@ -15,8 +15,8 @@ jobs:
               uses: akhilmhdh/contributors-readme-action@master
               with:
                   readme_path: "README.md"
-                  image_size: 60
+                  image_size: 80
                   commit_message: "Automatically update contributors"
-                  columns_per_row: 8
+                  columns_per_row: 6
               env:
                   GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}