docs: add rnr1 as a contributor for test (#577)

Adds @RNR1 as a contributor for test.

This was requested by JoshuaKGoldberg [in this
comment](#573 (comment))

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -166,7 +166,8 @@
       "profile": "https://linktr.ee/ronbraha",
       "contributions": [
         "code",
-        "design"
+        "design",
+        "test"
       ]
     },
     {

README.md

@@ -182,7 +182,7 @@ Thanks! 💖
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/promise-dash"><img src="https://avatars.githubusercontent.com/u/86062880?v=4?s=100" width="100px;" alt="Promise Dash"/><br /><sub><b>Promise Dash</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=promise-dash" 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> <a href="#design-RNR1" title="Design">🎨</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> <a href="#design-RNR1" title="Design">🎨</a> <a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=RNR1" title="Tests">⚠️</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://ronjeanfrancois.com"><img src="https://avatars.githubusercontent.com/u/105710107?v=4?s=100" width="100px;" alt="Ron Jean-Francois"/><br /><sub><b>Ron Jean-Francois</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=ronthetech" title="Code">💻</a> <a href="#infra-ronthetech" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/the-lazy-learner"><img src="https://avatars.githubusercontent.com/u/13695177?v=4?s=100" width="100px;" alt="Sudhansu"/><br /><sub><b>Sudhansu</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=the-lazy-learner" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/tungbq"><img src="https://avatars.githubusercontent.com/u/85242618?v=4?s=100" width="100px;" alt="Tung Bui (Leo)"/><br /><sub><b>Tung Bui (Leo)</b></sub></a><br /><a href="https://github.com/JoshuaKGoldberg/template-typescript-node-package/commits?author=tungbq" title="Code">💻</a></td>