context: use the real oauth credentials

It is trivial to extract this information from the released artefacts,
thus there is no security benefit to the safe/development credentials.
This approach also prevents users from using go-get to install.

As proof of concept, and to enable go-get, this change embeds
the GitHub CLI credentials, instead of GitHub CLI (dev).

context/config_setup.go

@@ -18,10 +18,8 @@ const (
 )
 
 var (
-	// The GitHub app that is meant for development
-	oauthClientID = "4d747ba5675d5d66553f"
-	// This value is safe to be embedded in version control
-	oauthClientSecret = "d4fee7b3f9c2ef4284a5ca7be0ee200cf15b6f8d"
+	oauthClientID     = "178c6fc778ccc68e1d6a"
+	oauthClientSecret = "34ddeff2b558a23d38fba8a6de74f086ede1cc0b"
 )
 
 // TODO: have a conversation about whether this belongs in the "context" package