docs: add rebeccastevens as a contributor for infra (#416)

Adds @RebeccaStevens as a contributor for infra.

This was requested by JoshuaKGoldberg [in this
comment](#246 (comment))

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -67,7 +67,8 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/7224206?v=4",
       "profile": "https://github.com/RebeccaStevens",
       "contributions": [
-        "code"
+        "code",
+        "infra"
       ]
     },
     {

README.md

@@ -129,7 +129,7 @@ Thanks! 💖
       <td align="center" valign="top" width="14.28%"><a href="https://navinmoorthy.me/"><img src="https://avatars.githubusercontent.com/u/39694575?v=4?s=100" width="100px;" alt="Navin Moorthy"/><br /><sub><b>Navin Moorthy</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/issues?q=author%3Anavin-moorthy" title="Bug reports">🐛</a> <a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=navin-moorthy" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/NazCodeland"><img src="https://avatars.githubusercontent.com/u/113494366?v=4?s=100" width="100px;" alt="NazCodeland"/><br /><sub><b>NazCodeland</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=NazCodeland" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://paulisaweso.me/"><img src="https://avatars.githubusercontent.com/u/6335792?v=4?s=100" width="100px;" alt="Paul Esch-Laurent"/><br /><sub><b>Paul Esch-Laurent</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=Pinjasaur" title="Code">💻</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/RebeccaStevens"><img src="https://avatars.githubusercontent.com/u/7224206?v=4?s=100" width="100px;" alt="Rebecca Stevens"/><br /><sub><b>Rebecca Stevens</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=RebeccaStevens" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/RebeccaStevens"><img src="https://avatars.githubusercontent.com/u/7224206?v=4?s=100" width="100px;" alt="Rebecca Stevens"/><br /><sub><b>Rebecca Stevens</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=RebeccaStevens" title="Code">💻</a> <a href="#infra-RebeccaStevens" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://linktr.ee/ronbraha"><img src="https://avatars.githubusercontent.com/u/45559220?v=4?s=100" width="100px;" alt="Ron Braha"/><br /><sub><b>Ron Braha</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=RNR1" title="Code">💻</a></td>
     </tr>
     <tr>