Bump lodash from 4.17.19 to 4.17.20

Bumps [lodash](https://github.com/lodash/lodash) from 4.17.19 to 4.17.20.
- [Release notes](https://github.com/lodash/lodash/releases)
- [Commits](https://github.com/lodash/lodash/compare/4.17.19...4.17.20)

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

package.json

@@ -33,7 +33,7 @@
     "gulp-sourcemaps": "^2.6.5",
     "gulp-terser": "^1.3.2",
     "localtunnel": "^2.0.0",
-    "lodash": "^4.17.13",
+    "lodash": "^4.17.20",
     "lodash.template": "^4.5.0",
     "micromatch": "^4.0.2",
     "mixin-deep": "^2.0.1",