docs: add Semigradsky as a contributor for code, test, doc (#614)

* docs: update README.md [skip ci]

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

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -512,6 +512,17 @@
         "code",
         "test"
       ]
+    },
+    {
+      "login": "Semigradsky",
+      "name": "Dmitry Semigradsky",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1198848?v=4",
+      "profile": "https://semigradsky.dev/",
+      "contributions": [
+        "code",
+        "test",
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -406,6 +406,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <td align="center"><a href="https://github.com/themagickoala"><img src="https://avatars.githubusercontent.com/u/48416253?v=4?s=100" width="100px;" alt=""/><br /><sub><b>themagickoala</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=themagickoala" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=themagickoala" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://github.com/PrashantAshok"><img src="https://avatars.githubusercontent.com/u/5200733?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Prashant Ashok</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=PrashantAshok" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=PrashantAshok" title="Tests">⚠️</a></td>
     <td align="center"><a href="https://github.com/IvanAprea"><img src="https://avatars.githubusercontent.com/u/54630721?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Ivan Aprea</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=IvanAprea" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=IvanAprea" title="Tests">⚠️</a></td>
+    <td align="center"><a href="https://semigradsky.dev/"><img src="https://avatars.githubusercontent.com/u/1198848?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Dmitry Semigradsky</b></sub></a><br /><a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=Semigradsky" title="Code">💻</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=Semigradsky" title="Tests">⚠️</a> <a href="https://github.com/testing-library/eslint-plugin-testing-library/commits?author=Semigradsky" title="Documentation">📖</a></td>
   </tr>
 </table>