Bump terser from 5.5.1 to 5.6.0

Bumps [terser](https://github.com/terser/terser) from 5.5.1 to 5.6.0.
- [Release notes](https://github.com/terser/terser/releases)
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/commits)

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

package-lock.json

@@ -12496,9 +12496,9 @@
             }
         },
         "terser": {
-            "version": "5.5.1",
-            "resolved": "https://registry.npmjs.org/terser/-/terser-5.5.1.tgz",
-            "integrity": "sha512-6VGWZNVP2KTUcltUQJ25TtNjx/XgdDsBDKGt8nN0MpydU36LmbPPcMBd2kmtZNNGVVDLg44k7GKeHHj+4zPIBQ==",
+            "version": "5.6.0",
+            "resolved": "https://registry.npmjs.org/terser/-/terser-5.6.0.tgz",
+            "integrity": "sha512-vyqLMoqadC1uR0vywqOZzriDYzgEkNJFK4q9GeyOBHIbiECHiWLKcWfbQWAUaPfxkjDhapSlZB9f7fkMrvkVjA==",
             "dev": true,
             "requires": {
                 "commander": "^2.20.0",

package.json

@@ -72,7 +72,7 @@
         "merge-stream": "^2.0.0",
         "postcss": "^8.2.6",
         "sass": "^1.32.7",
-        "terser": "^5.5.1",
+        "terser": "^5.6.0",
         "tsify": "^5.0.2",
         "typescript": "^4.1.5",
         "vinyl-buffer": "^1.0.1",