contrib: add @ogrisel to list of contributors

Author: JesperDramsch

.all-contributorsrc

@@ -142,6 +142,15 @@
       "contributions": [
         "conference"
       ]
+    },
+    {
+      "login": "ogrisel",
+      "name": "Olivier Grisel",
+      "avatar_url": "https://avatars.githubusercontent.com/u/89061?v=4",
+      "profile": "https://ogrisel.com/",
+      "contributions": [
+        "conference"
+      ]
     }
   ],
   "repoType": "github"

CONTRIBUTING.md

@@ -195,6 +195,7 @@ Example:
       <td align="center" valign="top" width="14.28%"><a href="http://isabelizimm.me"><img src="https://avatars.githubusercontent.com/u/54685329?v=4?s=100" width="100px;" alt="Isabel Zimmerman"/><br /><sub><b>Isabel Zimmerman</b></sub></a><br /><a href="https://github.com/JesperDramsch/python-deadlines/issues?q=author%3Aisabelizimm" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://jeroenjanssens.com/"><img src="https://avatars.githubusercontent.com/u/1368256?v=4?s=100" width="100px;" alt="Jeroen Janssens"/><br /><sub><b>Jeroen Janssens</b></sub></a><br /><a href="#conference-jeroenjanssens" title="Python conference (Added or updated)">📆</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/systematicguy"><img src="https://avatars.githubusercontent.com/u/12820811?v=4?s=100" width="100px;" alt="David Horvath"/><br /><sub><b>David Horvath</b></sub></a><br /><a href="#conference-systematicguy" title="Python conference (Added or updated)">📆</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://ogrisel.com/"><img src="https://avatars.githubusercontent.com/u/89061?v=4?s=100" width="100px;" alt="Olivier Grisel"/><br /><sub><b>Olivier Grisel</b></sub></a><br /><a href="#conference-ogrisel" title="Python conference (Added or updated)">📆</a></td>
     </tr>
   </tbody>
 </table>

README.md

@@ -152,6 +152,7 @@ I mainly run the `main.py` and `sort_yaml.py` to get new entries and move old en
       <td align="center" valign="top" width="14.28%"><a href="http://isabelizimm.me"><img src="https://avatars.githubusercontent.com/u/54685329?v=4?s=100" width="100px;" alt="Isabel Zimmerman"/><br /><sub><b>Isabel Zimmerman</b></sub></a><br /><a href="https://github.com/JesperDramsch/python-deadlines/issues?q=author%3Aisabelizimm" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://jeroenjanssens.com/"><img src="https://avatars.githubusercontent.com/u/1368256?v=4?s=100" width="100px;" alt="Jeroen Janssens"/><br /><sub><b>Jeroen Janssens</b></sub></a><br /><a href="#conference-jeroenjanssens" title="Python conference (Added or updated)">📆</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/systematicguy"><img src="https://avatars.githubusercontent.com/u/12820811?v=4?s=100" width="100px;" alt="David Horvath"/><br /><sub><b>David Horvath</b></sub></a><br /><a href="#conference-systematicguy" title="Python conference (Added or updated)">📆</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://ogrisel.com/"><img src="https://avatars.githubusercontent.com/u/89061?v=4?s=100" width="100px;" alt="Olivier Grisel"/><br /><sub><b>Olivier Grisel</b></sub></a><br /><a href="#conference-ogrisel" title="Python conference (Added or updated)">📆</a></td>
     </tr>
   </tbody>
 </table>