Bump gulp-terser from 1.4.0 to 1.4.1

Bumps [gulp-terser](https://github.com/duan602728596/gulp-terser) from 1.4.0 to 1.4.1.
- [Release notes](https://github.com/duan602728596/gulp-terser/releases)
- [Commits](https://github.com/duan602728596/gulp-terser/compare/v1.4.0...v1.4.1)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -39,7 +39,7 @@
     "gulp-postcss": "^8.0.0",
     "gulp-sass": "^4.0.2",
     "gulp-sourcemaps": "^2.6.5",
-    "gulp-terser": "^1.4.0",
+    "gulp-terser": "^1.4.1",
     "html-webpack-plugin": "^4.5.0",
     "lazypipe": "^1.0.2",
     "node-sass": "^4.13.1",