fix the ECMAScript version to be ES2024

Author: erik-krogh

javascript/extractor/src/com/semmle/jcorn/Parser.java

@@ -788,7 +788,7 @@ private Token readRegexp() {
       String validFlags = "gim";
       if (this.options.ecmaVersion() >= 6) validFlags = "gimuy";
       if (this.options.ecmaVersion() >= 9) validFlags = "gimsuy";
-      if (this.options.ecmaVersion() >= 12) validFlags = "gimsuyv";
+      if (this.options.ecmaVersion() >= 15) validFlags = "gimsuyv";
       if (!mods.matches("^[" + validFlags + "]*$"))
         this.raise(start, "Invalid regular expression flag");
       if (mods.indexOf('u') >= 0) {

javascript/extractor/src/com/semmle/js/extractor/ExtractorConfig.java

@@ -42,7 +42,7 @@ public static enum ECMAVersion {
     ECMA2018(2018, 9),
     ECMA2019(2019, 10),
     ECMA2020(2020, 11),
-    ECMA2021(2021, 12);
+    ECMA2024(2024, 15);
 
     private final int version;
     public final int legacyVersion;
@@ -233,7 +233,7 @@ public Set<String> getPredefinedGlobals() {
   private VirtualSourceRoot virtualSourceRoot;
 
   public ExtractorConfig(boolean experimental) {
-    this.ecmaVersion = experimental ? ECMAVersion.ECMA2021 : ECMAVersion.ECMA2019;
+    this.ecmaVersion = experimental ? ECMAVersion.ECMA2024 : ECMAVersion.ECMA2019;
     this.platform = Platform.AUTO;
     this.jsx = true;
     this.sourceType = SourceType.AUTO;