Update @bradyholt as a contributor

Author: Ziλa SARIKAYA

.all-contributorsrc

@@ -14,7 +14,8 @@
       "profile": "https://www.geekytidbits.com",
       "contributions": [
         "code",
-        "doc"
+        "doc",
+        "test"
       ]
     },
     {

README.md

@@ -88,7 +88,7 @@ MIT © [Ziya SARIKAYA @ziyasal](https://github.com/ziyasal) & Contributors
 Thanks goes to these wonderful people ([emoji key](https://github.com/kentcdodds/all-contributors#emoji-key)):
 
 <!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
-| [<img src="https://avatars0.githubusercontent.com/u/759811?v=4" width="75px;"/><br /><sub>Brady Holt</sub>](https://www.geekytidbits.com)<br />[💻](https://github.com/ziyasal/vscode-open-in-github/commits?author=bradyholt "Code") [📖](https://github.com/ziyasal/vscode-open-in-github/commits?author=bradyholt "Documentation") | [<img src="https://avatars3.githubusercontent.com/u/8547855?v=4" width="75px;"/><br /><sub>Grzegorz Dziadkiewicz</sub>](https://github.com/gdziadkiewicz)<br />[💻](https://github.com/ziyasal/vscode-open-in-github/commits?author=gdziadkiewicz "Code") [📖](https://github.com/ziyasal/vscode-open-in-github/commits?author=gdziadkiewicz "Documentation") [⚠️](https://github.com/ziyasal/vscode-open-in-github/commits?author=gdziadkiewicz "Tests") |
+| [<img src="https://avatars0.githubusercontent.com/u/759811?v=4" width="75px;"/><br /><sub>Brady Holt</sub>](https://www.geekytidbits.com)<br />[💻](https://github.com/ziyasal/vscode-open-in-github/commits?author=bradyholt "Code") [📖](https://github.com/ziyasal/vscode-open-in-github/commits?author=bradyholt "Documentation") [⚠️](https://github.com/ziyasal/vscode-open-in-github/commits?author=bradyholt "Tests") | [<img src="https://avatars3.githubusercontent.com/u/8547855?v=4" width="75px;"/><br /><sub>Grzegorz Dziadkiewicz</sub>](https://github.com/gdziadkiewicz)<br />[💻](https://github.com/ziyasal/vscode-open-in-github/commits?author=gdziadkiewicz "Code") [📖](https://github.com/ziyasal/vscode-open-in-github/commits?author=gdziadkiewicz "Documentation") [⚠️](https://github.com/ziyasal/vscode-open-in-github/commits?author=gdziadkiewicz "Tests") |
 | :---: | :---: |
 <!-- ALL-CONTRIBUTORS-LIST:END -->