Bump terser from 4.6.4 to 4.6.6 (#30350)

Bumps [terser](https://github.com/terser/terser) from 4.6.4 to 4.6.6.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/compare/v4.6.4...v4.6.6)

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

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>
Co-authored-by: XhmikosR <xhmikosr@gmail.com>

package-lock.json

@@ -13067,9 +13067,9 @@
       "dev": true
     },
     "terser": {
-      "version": "4.6.4",
+      "version": "4.6.6",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.4.tgz",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-4.6.6.tgz",
-      "integrity": "sha512-5fqgBPLgVHZ/fVvqRhhUp9YUiGXhFJ9ZkrZWD9vQtFBR4QIGTnbsb+/kKqSqfgp3WnBwGWAFnedGTtmX1YTn0w==",
+      "integrity": "sha512-4lYPyeNmstjIIESr/ysHg2vUPRGf2tzF9z2yYwnowXVuVzLEamPN1Gfrz7f8I9uEPuHcbFlW4PLIAsJoxXyJ1g==",
       "dev": true,
       "requires": {
         "commander": "^2.20.0",

package.json

@@ -133,7 +133,7 @@
     "shelljs": "^0.8.3",
     "stylelint": "^13.2.0",
     "stylelint-config-twbs-bootstrap": "^2.0.1",
-    "terser": "^4.6.4",
+    "terser": "^4.6.6",
     "vnu-jar": "20.2.28"
   },
   "files": [