docs: add michaelfaith as a contributor for infra (#133)

Adds @michaelfaith as a contributor for infra.

This was requested by JoshuaKGoldberg [in this
comment](#131 (comment))

---------

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

.all-contributorsrc

@@ -300,7 +300,8 @@
       "profile": "/~https://github.com/michaelfaith",
       "contributions": [
         "code",
-        "ideas"
+        "ideas",
+        "infra"
       ]
     }
   ],

README.md

@@ -184,7 +184,7 @@ console.log(data);
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="/~https://github.com/vkrol"><img src="/~https://avatars.githubusercontent.com/u/153412?v=4?s=100" width="100px;" alt="Veniamin Krol"/><br /><sub><b>Veniamin Krol</b></sub></a><br /><a href="/~https://github.com/JoshuaKGoldberg/package-json-validator/commits?author=vkrol" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="/~https://github.com/gramergrater"><img src="/~https://avatars.githubusercontent.com/u/9351863?v=4?s=100" width="100px;" alt="gramergrater"/><br /><sub><b>gramergrater</b></sub></a><br /><a href="/~https://github.com/JoshuaKGoldberg/package-json-validator/issues?q=author%3Agramergrater" title="Bug reports">🐛</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="/~https://github.com/michaelfaith"><img src="/~https://avatars.githubusercontent.com/u/8071845?v=4?s=100" width="100px;" alt="michael faith"/><br /><sub><b>michael faith</b></sub></a><br /><a href="/~https://github.com/JoshuaKGoldberg/package-json-validator/commits?author=michaelfaith" title="Code">💻</a> <a href="#ideas-michaelfaith" title="Ideas, Planning, & Feedback">🤔</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="/~https://github.com/michaelfaith"><img src="/~https://avatars.githubusercontent.com/u/8071845?v=4?s=100" width="100px;" alt="michael faith"/><br /><sub><b>michael faith</b></sub></a><br /><a href="/~https://github.com/JoshuaKGoldberg/package-json-validator/commits?author=michaelfaith" title="Code">💻</a> <a href="#ideas-michaelfaith" title="Ideas, Planning, & Feedback">🤔</a> <a href="#infra-michaelfaith" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
       <td align="center" valign="top" width="14.28%"><a href="/~https://github.com/sarahhagstrom"><img src="/~https://avatars.githubusercontent.com/u/1223862?v=4?s=100" width="100px;" alt="sarahhagstrom"/><br /><sub><b>sarahhagstrom</b></sub></a><br /><a href="/~https://github.com/JoshuaKGoldberg/package-json-validator/commits?author=sarahhagstrom" title="Code">💻</a></td>
     </tr>
   </tbody>