docs: add lorenzofavaro as a contributor for doc (pybamm-team#3976)

* docs: update all_contributors.md [skip ci]

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

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>
Co-authored-by: Eric G. Kratz <kratman@users.noreply.github.com>
Co-authored-by: Arjun Verma <arjunverma.oc@gmail.com>
Co-authored-by: Agriya Khetarpal <74401230+agriyakhetarpal@users.noreply.github.com>

.all-contributorsrc

@@ -844,7 +844,8 @@
       "profile": "https://github.com/lorenzofavaro",
       "contributions": [
         "code",
-        "test"
+        "test",
+        "doc"
       ]
     },
     {

all_contributors.md

@@ -105,7 +105,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/HarshvirSandhu"><img src="https://avatars.githubusercontent.com/u/75773763?v=4?s=100" width="100px;" alt="Harshvir Sandhu"/><br /><sub><b>Harshvir Sandhu</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/commits?author=HarshvirSandhu" title="Code">💻</a></td>
     </tr>
     <tr>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/lorenzofavaro"><img src="https://avatars.githubusercontent.com/u/44714920?v=4?s=100" width="100px;" alt="Lorenzo"/><br /><sub><b>Lorenzo</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/commits?author=lorenzofavaro" title="Code">💻</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=lorenzofavaro" title="Tests">⚠️</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/lorenzofavaro"><img src="https://avatars.githubusercontent.com/u/44714920?v=4?s=100" width="100px;" alt="Lorenzo"/><br /><sub><b>Lorenzo</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/commits?author=lorenzofavaro" title="Code">💻</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=lorenzofavaro" title="Tests">⚠️</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=lorenzofavaro" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/AndyLiuElysia"><img src="https://avatars.githubusercontent.com/u/143705453?v=4?s=100" width="100px;" alt="AndyLiuElysia"/><br /><sub><b>AndyLiuElysia</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/commits?author=AndyLiuElysia" title="Documentation">📖</a></td>
     </tr>
   </tbody>