Refactor HISTORY.md header update to use String.prototype.repeat

Replaced the custom repeat function with String.prototype.repeat to simplify the code and improve readability. This change leverages modern JavaScript functionality, reducing complexity and improving efficiency when updating the HISTORY.md header.

Author: Ayoub-Mabrouk

scripts/version-history.js

@@ -30,7 +30,7 @@ if (historyFileLines[0].indexOf('x') !== -1) {
 }
 
 historyFileLines[0] = VERSION + ' / ' + getLocaleDate()
-historyFileLines[1] = repeat('=', historyFileLines[0].length)
+historyFileLines[1] = '='.repeat(historyFileLines[0].length)
 
 fs.writeFileSync(HISTORY_FILE_PATH, historyFileLines.join('\n'))
 
@@ -42,16 +42,6 @@ function getLocaleDate () {
     zeroPad(now.getDate(), 2)
 }
 
-function repeat (str, length) {
-  var out = ''
-
-  for (var i = 0; i < length; i++) {
-    out += str
-  }
-
-  return out
-}
-
 function zeroPad (number, length) {
   return number.toString().padStart(length, '0')
 }