build: indicate that configure has done something

If run without `--verbose` configure exits silently with no indication
that it has done anything. Print a message on completion to indicate
that the script has worked.

Refs: nodejs#23111

PR-URL: nodejs#26436
Refs: nodejs#23111
Reviewed-By: Luigi Pinca <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>

Author: richardlau

configure.py

@@ -1640,3 +1640,4 @@ def make_bin_override():
 
 print_verbose("running: \n    " + " ".join(['python', 'tools/gyp_node.py'] + gyp_args))
 run_gyp(gyp_args)
+info('configure completed successfully')