docs: add zbilodea as a contributor for code (#2961)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

---------

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

.all-contributorsrc

@@ -374,6 +374,15 @@
       "contributions": [
         "infra"
       ]
+    },
+    {
+      "login": "zbilodea",
+      "name": "Zoë Bilodeau",
+      "avatar_url": "https://avatars.githubusercontent.com/u/70441641?v=4",
+      "profile": "https://github.com/zbilodea",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -214,6 +214,7 @@ Thanks especially to the gracious help of Awkward Array contributors (including
       <td align="center" valign="top" width="14.28%"><a href="https://sites.google.com/view/raybellwaves/home"><img src="https://avatars.githubusercontent.com/u/17162724?v=4?s=100" width="100px;" alt="Ray Bell"/><br /><sub><b>Ray Bell</b></sub></a><br /><a href="https://github.com/scikit-hep/awkward/commits?author=raybellwaves" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://zonca.dev"><img src="https://avatars.githubusercontent.com/u/383090?v=4?s=100" width="100px;" alt="Andrea Zonca"/><br /><sub><b>Andrea Zonca</b></sub></a><br /><a href="https://github.com/scikit-hep/awkward/commits?author=zonca" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/chrisburr"><img src="https://avatars.githubusercontent.com/u/5220533?v=4?s=100" width="100px;" alt="Chris Burr"/><br /><sub><b>Chris Burr</b></sub></a><br /><a href="#infra-chrisburr" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/zbilodea"><img src="https://avatars.githubusercontent.com/u/70441641?v=4?s=100" width="100px;" alt="Zoë Bilodeau"/><br /><sub><b>Zoë Bilodeau</b></sub></a><br /><a href="https://github.com/scikit-hep/awkward/commits?author=zbilodea" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>