docs(aio): add elana olson to contributor.json file (#24579)

Add new contributor, elana olson, to the contributors list.

PR Close #24579

aio/content/marketing/contributors.json

@@ -645,5 +645,13 @@
     "website": "https://kmaida.io/",
     "bio": "Kim is an an Angular consultant, developer, speaker, writer, and Google Developer Expert. She is passionate about learning from and sharing knowledge with other developers through blogging, speaking, workshops, and open source.",
     "group": "GDE"
+  },
+
+  "elanaolson": {
+    "name": "Elana Olson",
+    "picture": "elanaolson.jpg",
+    "twitter": "elanathellama",
+    "bio": "Elana is a Developer Relations intern on the Angular team at Google. She is working on migration paths from AngularJS to Angular and would love to chat about your experience with upgrading.",
+    "group": "Angular"
   }
 }