Update .all-contributorsrc (#4481)

Author: sreichel

.all-contributorsrc

@@ -6,10 +6,10 @@
   "files": [
     "README.md"
   ],
-  "imageSize": 35,
+  "imageSize": 100,
   "commit": true,
   "commitConvention": "none",
-  "contributorsPerLine": 20,
+  "contributorsPerLine": 7,
   "contributorTemplate": "<a href=\"<%= contributor.profile %>\"><img src=\"<%= contributor.avatar_url %>\" loading=\"lazy\" width=\"<%= options.imageSize %>\" alt=\"\"/><br /><sub><b><%= contributor.name %></b></sub></a>",
   "badgeTemplate": "<a href=\"#contributors-\"><img src=\"https://img.shields.io/badge/all_contributors-<%= contributors.length %>-orange.svg\" alt=\"All Contributors\"></a>",
   "wrapperTemplate": "\n<table>\n  <tbody><%= bodyContent %>  </tbody>\n<%= tableFooterContent %></table>\n\n",