feat: use fewer system resources to draw the progress bar

There's reason to believe that upgrade scripts will run faster
if the system isn't spending a non-insignificant amount of
resources simply drawing the progress bar. Closes #7711

Some context: https://github.com/npm/npm/issues/11283

src/upgrade.js

@@ -204,7 +204,8 @@ Upgrade.process = function (files, skipCount, callback) {
 Upgrade.incrementProgress = function (value) {
 	this.current += value || 1;
 
-	// Redraw the progress bar
+	// Redraw the progress bar every 100 units
+	if (this.current % 100 === 0) {
 		var percentage = 0;
 		var filled = 0;
 		var unfilled = 15;
@@ -216,4 +217,5 @@ Upgrade.incrementProgress = function (value) {
 
 		readline.cursorTo(process.stdout, 0);
 		process.stdout.write('    [' + (filled ? new Array(filled).join('#') : '') + new Array(unfilled).join(' ') + '] (' + this.current + '/' + (this.total || '??') + ') ' + percentage + ' ');
+	}
 };