Update contributors [skip ci]

.all-contributorsrc

@@ -346,6 +346,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "Vogel612",
+      "name": "Clemens Lieb",
+      "avatar_url": "https://avatars.githubusercontent.com/u/7288995?v=4",
+      "profile": "https://github.com/Vogel612",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7

README.md

@@ -706,6 +706,7 @@ This started as a fork from [node-gitlab-legacy](https://github.com/node-gitlab/
     <td align="center"><a href="https://github.com/xiezht"><img src="https://avatars1.githubusercontent.com/u/18051618?v=4?s=50" width="50px;" alt=""/><br /><sub><b>xiezht</b></sub></a><br /><a href="https://github.com/jdalrymple/gitbeaker/commits?author=xiezht" title="Documentation">📖</a></td>
     <td align="center"><a href="http://www.martin-helmich.de/en"><img src="https://avatars3.githubusercontent.com/u/2538958?v=4?s=50" width="50px;" alt=""/><br /><sub><b>Martin Helmich</b></sub></a><br /><a href="https://github.com/jdalrymple/gitbeaker/commits?author=martin-helmich" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/smcgivern"><img src="https://avatars0.githubusercontent.com/u/1120328?v=4?s=50" width="50px;" alt=""/><br /><sub><b>Sean McGivern</b></sub></a><br /><a href="https://github.com/jdalrymple/gitbeaker/commits?author=smcgivern" title="Documentation">📖</a></td>
+    <td align="center"><a href="https://github.com/Vogel612"><img src="https://avatars.githubusercontent.com/u/7288995?v=4?s=50" width="50px;" alt=""/><br /><sub><b>Clemens Lieb</b></sub></a><br /><a href="https://github.com/jdalrymple/gitbeaker/commits?author=Vogel612" title="Code">💻</a></td>
   </tr>
 </table>