fix: Add Antonio Martínez to the list (#821)

* add metantonio

* Update data.json

Co-authored-by: David Leal <[email protected]>

Co-authored-by: David Leal <[email protected]>

Author: metantonio

data.json

@@ -1546,5 +1546,11 @@
     "githubUsername": "mayankchaudhary26",
     "imageUrl": "https://user-images.githubusercontent.com/56837137/139258468-f7b162b5-94f2-4fb3-94e0-7da43db795dd.png",
     "issueNumber": 805
-  }
+  },
+  {
+      "name": "Antonio Martínez",
+      "githubUsername": "metantonio",
+      "imageUrl": "https://user-images.githubusercontent.com/51391473/139906982-fb25c6da-4255-41b6-9f53-71f48f78d32b.png",
+      "issueNumber": 820
+}
 ]