docs: add martaarbizu as a contributor for code (#1039)

* docs: update README.md

* docs: update .all-contributorsrc

---------

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

.all-contributorsrc

@@ -314,6 +314,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "martaarbizu",
+      "name": "Marta Arbizu Gómez",
+      "avatar_url": "https://avatars.githubusercontent.com/u/127724722?v=4",
+      "profile": "https://github.com/martaarbizu",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 5,

README.md

@@ -175,6 +175,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="20%"><a href="https://github.com/effigies"><img src="https://avatars.githubusercontent.com/u/83442?v=4?s=100" width="100px;" alt="Chris Markiewicz"/><br /><sub><b>Chris Markiewicz</b></sub></a><br /><a href="https://github.com/ME-ICA/tedana/commits?author=effigies" title="Code">💻</a></td>
       <td align="center" valign="top" width="20%"><a href="https://github.com/goodalse2019"><img src="https://avatars.githubusercontent.com/u/60117796?v=4?s=100" width="100px;" alt="Sarah Goodale"/><br /><sub><b>Sarah Goodale</b></sub></a><br /><a href="https://github.com/ME-ICA/tedana/commits?author=goodalse2019" title="Documentation">📖</a> <a href="#ideas-goodalse2019" title="Ideas, Planning, & Feedback">🤔</a> <a href="#question-goodalse2019" title="Answering Questions">💬</a></td>
       <td align="center" valign="top" width="20%"><a href="https://github.com/martinezeguiluz"><img src="https://avatars.githubusercontent.com/u/129765987?v=4?s=100" width="100px;" alt="Maitane Martinez Eguiluz"/><br /><sub><b>Maitane Martinez Eguiluz</b></sub></a><br /><a href="https://github.com/ME-ICA/tedana/commits?author=martinezeguiluz" title="Code">💻</a></td>
+      <td align="center" valign="top" width="20%"><a href="https://github.com/martaarbizu"><img src="https://avatars.githubusercontent.com/u/127724722?v=4?s=100" width="100px;" alt="Marta Arbizu Gómez"/><br /><sub><b>Marta Arbizu Gómez</b></sub></a><br /><a href="https://github.com/ME-ICA/tedana/commits?author=martaarbizu" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>