CI: Add rocky support to process_build_logs.py

Change-Id: I57e05a235359547a4477dc869e92047818dc5c15

tests/files/process_build_logs.py

@@ -30,7 +30,7 @@ parser.add_argument('-b', '--base',
                     required=True)
 args = vars(parser.parse_args())
 
-if args['base'] not in ['centos']:
+if args['base'] not in ['rocky', 'centos']:
     print("Non rpm-based distros are not yet supported.")
     sys.exit()