docs: add Beanow as a contributor for security (#3274)

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

.all-contributorsrc

@@ -669,6 +669,15 @@
       "contributions": [
         "review"
       ]
+    },
+    {
+      "login": "Beanow",
+      "name": "Robin van Boven",
+      "avatar_url": "https://avatars.githubusercontent.com/u/497556?v=4",
+      "profile": "https://github.com/Beanow",
+      "contributions": [
+        "security"
+      ]
     }
   ],
   "contributorsPerLine": 7

README.md

@@ -286,6 +286,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/mind-ar"><img src="https://avatars.githubusercontent.com/u/10672208?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Manuel Nuñez</b></sub></a><br /><a href="https://github.com/authelia/authelia/commits?author=mind-ar" title="Code">💻</a> <a href="#translation-mind-ar" title="Translation">🌍</a></td>
     <td align="center"><a href="https://github.com/protvis74"><img src="https://avatars.githubusercontent.com/u/50554836?v=4?s=100" width="100px;" alt=""/><br /><sub><b>protvis74</b></sub></a><br /><a href="#translation-protvis74" title="Translation">🌍</a></td>
     <td align="center"><a href="http://itjamie.com"><img src="https://avatars.githubusercontent.com/u/1613241?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jamie (Bear) Murphy </b></sub></a><br /><a href="https://github.com/authelia/authelia/pulls?q=is%3Apr+reviewed-by%3AITJamie" title="Reviewed Pull Requests">👀</a></td>
+    <td align="center"><a href="https://github.com/Beanow"><img src="https://avatars.githubusercontent.com/u/497556?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Robin van Boven</b></sub></a><br /><a href="#security-Beanow" title="Security">🛡️</a></td>
   </tr>
 </table>