fix: change sender field for CodeScanningAlert event to match other payloads (#3855)

Author: wolfy1339

lib/webhooks/static/dotcom/code_scanning_alert.reopened.payload.json

@@ -141,31 +141,20 @@
     "login": "github",
     "id": 9919,
     "node_id": "MDEyOk9yZ2FuaXphdGlvbjk5MTk=",
-    "url": "https://api.github.com/orgs/github",
-    "repos_url": "https://api.github.com/orgs/github/repos",
-    "events_url": "https://api.github.com/orgs/github/events",
-    "hooks_url": "https://api.github.com/orgs/github/hooks",
-    "issues_url": "https://api.github.com/orgs/github/issues",
-    "members_url": "https://api.github.com/orgs/github/members{/member}",
-    "public_members_url": "https://api.github.com/orgs/github/public_members{/member}",
     "avatar_url": "https://avatars.githubusercontent.com/u/9919?v=4",
-    "description": "How people build software.",
-    "name": "GitHub",
-    "company": null,
-    "blog": "https://github.com/about",
-    "location": "San Francisco, CA",
-    "email": null,
-    "twitter_username": null,
-    "is_verified": true,
-    "has_organization_projects": true,
-    "has_repository_projects": true,
-    "public_repos": 371,
-    "public_gists": 0,
-    "followers": 0,
-    "following": 0,
+    "gravatar_id": "",
+    "url": "https://api.github.com/users/github",
     "html_url": "https://github.com/github",
-    "created_at": "2008-05-11T04:37:31Z",
-    "updated_at": "2020-09-28T06:15:10Z",
-    "type": "Organization"
+    "followers_url": "https://api.github.com/users/github/followers",
+    "following_url": "https://api.github.com/users/github/following{/other_user}",
+    "gists_url": "https://api.github.com/users/github/gists{/gist_id}",
+    "starred_url": "https://api.github.com/users/github/starred{/owner}{/repo}",
+    "subscriptions_url": "https://api.github.com/users/github/subscriptions",
+    "organizations_url": "https://api.github.com/users/github/orgs",
+    "repos_url": "https://api.github.com/users/github/repos",
+    "events_url": "https://api.github.com/users/github/events{/privacy}",
+    "received_events_url": "https://api.github.com/users/github/received_events",
+    "type": "Organization",
+    "site_admin": false
  }	  
 }