Update console src link to main

No-Tree-Checks: True
Bug:webrtc:12895
Change-Id: I07a04801ceb6e1ab7186cc588450f8114bb43625
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/223343
Commit-Queue: Christoffer Jansson <jansson@google.com>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
diff --git a/console-header.textpb b/console-header.textpb
index 65fce42..79e5d2b 100644
--- a/console-header.textpb
+++ b/console-header.textpb
@@ -36,7 +36,7 @@
   name: "Links"
   links {
     text: "Source"
-    url: "https://webrtc.googlesource.com/src/+/master/"
+    url: "https://webrtc.googlesource.com/src/+/main/"
   }
   links {
     text: "Reviews"