Bump terser from 4.6.11 to 4.6.12

Bumps [terser](https://github.com/terser/terser) from 4.6.11 to 4.6.12.
- [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/v4.6.11...v4.6.12)
Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

yarn.lock

@@ -7515,9 +7515,9 @@ teeny-request@6.0.1:
     uuid "^3.3.2"
 
 terser@^4.4.0:
-  version "4.6.11"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.11.tgz#12ff99fdd62a26de2a82f508515407eb6ccd8a9f"
-  integrity sha512-76Ynm7OXUG5xhOpblhytE7X58oeNSmC8xnNhjWVo8CksHit0U0kO4hfNbPrrYwowLWFgM2n9L176VNx2QaHmtA==
+  version "4.6.12"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-4.6.12.tgz#44b98aef8703fdb09a3491bf79b43faffc5b4fee"
+  integrity sha512-fnIwuaKjFPANG6MAixC/k1TDtnl1YlPLUlLVIxxGZUn1gfUx2+l3/zGNB72wya+lgsb50QBi2tUV75RiODwnww==
   dependencies:
     commander "^2.20.0"
     source-map "~0.6.1"