Bump terser from 5.20.0 to 5.21.0

Bumps [terser](https://github.com/terser/terser) from 5.20.0 to 5.21.0.
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/compare/v5.20.0...v5.21.0)

---
updated-dependencies:
- dependency-name: terser
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package-lock.json

@@ -33,7 +33,7 @@
         "postcss-understrap-palette-generator": "git+https://github.com/understrap/postcss-understrap-palette-generator.git",
         "rollup": "^3.29.4",
         "sass": "^1.68.0",
-        "terser": "^5.20.0"
+        "terser": "^5.21.0"
       },
       "engines": {
         "node": ">=16",
@@ -6072,9 +6072,9 @@
       }
     },
     "node_modules/terser": {
-      "version": "5.20.0",
-      "resolved": "https://registry.npmjs.org/terser/-/terser-5.20.0.tgz",
-      "integrity": "sha512-e56ETryaQDyebBwJIWYB2TT6f2EZ0fL0sW/JRXNMN26zZdKi2u/E/5my5lG6jNxym6qsrVXfFRmOdV42zlAgLQ==",
+      "version": "5.21.0",
+      "resolved": "https://registry.npmjs.org/terser/-/terser-5.21.0.tgz",
+      "integrity": "sha512-WtnFKrxu9kaoXuiZFSGrcAvvBqAdmKx0SFNmVNYdJamMu9yyN3I/QF0FbH4QcqJQ+y1CJnzxGIKH0cSj+FGYRw==",
       "dev": true,
       "dependencies": {
         "@jridgewell/source-map": "^0.3.3",

package.json

@@ -78,6 +78,6 @@
     "postcss-understrap-palette-generator": "git+https://github.com/understrap/postcss-understrap-palette-generator.git",
     "rollup": "^3.29.4",
     "sass": "^1.68.0",
-    "terser": "^5.20.0"
+    "terser": "^5.21.0"
   }
 }