Apply suggestion from @thomasyu888

Co-authored-by: Tom Yu <thomas.yu@sagebase.org>

Author: maxulysse

conf/sage.config

@@ -1,7 +1,7 @@
 // Config profile metadata
 params {
     config_profile_description = 'The Sage Bionetworks Nextflow Config Profile'
-    config_profile_contact     = 'Bruno Grande (@BrunoGrandePhD)'
+    config_profile_contact     = 'Rixing Xu (@rxu17)'
     config_profile_url         = 'https://github.com/Sage-Bionetworks-Workflows'
 
     // Leverage us-east-1 mirror of select human and mouse genomes