add fly logo and update enum (#52580)

Adds fly logo and updates channel enum

src/sentry/auth/partnership_config.py

@@ -2,7 +2,7 @@ from enum import Enum
 
 
 class ChannelName(Enum):
-    FLY_IO = "fly.io"
+    FLY_IO = "fly"
 
 
 SPONSOR_OAUTH_NAME = {ChannelName.FLY_IO: "Fly.io"}

static/less/auth.less

@@ -84,6 +84,10 @@ section.org-login {
   &.vsts {
     background-image: url(~sentry-logos/logo-azure.svg);
   }
+
+  &.fly {
+    background-image: url(~sentry-logos/logo-fly.svg);
+  }
 }
 
 .btn-default > .provider-logo {