docs: add @JacobMGEvans as a contributor (#316)

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -105,7 +105,8 @@
       "avatar_url": "https://avatars1.githubusercontent.com/u/27247160?v=4",
       "profile": "https://twitter.com/JacobMGEvans",
       "contributions": [
-        "code"
+        "code",
+        "test"
       ]
     },
     {

README.md

@@ -150,7 +150,7 @@ Thanks goes to these people ([emoji key][emojis]):
   <tr>
     <td align="center"><a href="https://www.guzy.dev"><img src="https://avatars1.githubusercontent.com/u/9118764?v=4" width="100px;" alt=""/><br /><sub><b>Dominik Guzy</b></sub></a><br /><a href="https://github.com/testing-library/testing-playground/commits?author=Siemko" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/connorProgrammes"><img src="https://avatars3.githubusercontent.com/u/66570218?v=4" width="100px;" alt=""/><br /><sub><b>ConnorProgrammes</b></sub></a><br /><a href="https://github.com/testing-library/testing-playground/commits?author=connorProgrammes" title="Documentation">📖</a> <a href="https://github.com/testing-library/testing-playground/commits?author=connorProgrammes" title="Code">💻</a></td>
-    <td align="center"><a href="https://twitter.com/JacobMGEvans"><img src="https://avatars1.githubusercontent.com/u/27247160?v=4" width="100px;" alt=""/><br /><sub><b>Jacob M-G Evans</b></sub></a><br /><a href="https://github.com/testing-library/testing-playground/commits?author=JacobMGEvans" title="Code">💻</a></td>
+    <td align="center"><a href="https://twitter.com/JacobMGEvans"><img src="https://avatars1.githubusercontent.com/u/27247160?v=4" width="100px;" alt=""/><br /><sub><b>Jacob M-G Evans</b></sub></a><br /><a href="https://github.com/testing-library/testing-playground/commits?author=JacobMGEvans" title="Code">💻</a> <a href="https://github.com/testing-library/testing-playground/commits?author=JacobMGEvans" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://github.com/sumeesh879"><img src="https://avatars1.githubusercontent.com/u/20029120?v=4" width="100px;" alt=""/><br /><sub><b>Sumeesh Nagisetty</b></sub></a><br /><a href="https://github.com/testing-library/testing-playground/pulls?q=is%3Apr+reviewed-by%3Asumeesh879" title="Reviewed Pull Requests">👀</a></td>
     <td align="center"><a href="http://www.linkedin.com/in/flaviohfreitas"><img src="https://avatars0.githubusercontent.com/u/1553609?v=4" width="100px;" alt=""/><br /><sub><b>Flávio H Freitas</b></sub></a><br /><a href="https://github.com/testing-library/testing-playground/commits?author=flaviohenriquecbc" title="Code">💻</a></td>
     <td align="center"><a href="https://github.com/bmeverett"><img src="https://avatars2.githubusercontent.com/u/3941006?v=4" width="100px;" alt=""/><br /><sub><b>Brandon Everett</b></sub></a><br /><a href="https://github.com/testing-library/testing-playground/commits?author=bmeverett" title="Code">💻</a></td>