fix: github permissions (#3779)

Author: rebelchris

src/betterAuth.ts

@@ -615,6 +615,8 @@ export const getBetterAuthOptions = (pool: Pool): BetterAuthOptions => {
         github: {
           clientId: process.env.GITHUB_CLIENT_ID,
           clientSecret: process.env.GITHUB_CLIENT_SECRET ?? '',
+          disableDefaultScope: true,
+          scope: ['user:email'],
         },
       }),
       ...(process.env.APPLE_CLIENT_ID && {