Merge pull request #20857 from mschoettle/build-add-legacy

Copy webpack.mjs to legacy in dist task

Author: timvandermeij

gulpfile.mjs

@@ -2544,6 +2544,11 @@ gulp.task(
             removeBOM: false,
           })
           .pipe(gulp.dest(DIST_DIR)),
+        gulp
+          .src("external/dist/webpack.mjs", {
+            encoding: false,
+          })
+          .pipe(gulp.dest(DIST_DIR + "legacy/")),
         gulp
           .src(GENERIC_DIR + "LICENSE", { encoding: false })
           .pipe(gulp.dest(DIST_DIR)),