Bump terser from 1.2.2 to 1.2.3

Bumps [terser](https://github.com/ahorek/terser-ruby) from 1.2.2 to 1.2.3.
- [Release notes](https://github.com/ahorek/terser-ruby/releases)
- [Changelog](https://github.com/ahorek/terser-ruby/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ahorek/terser-ruby/compare/1.2.2...1.2.3)

---
updated-dependencies:
- dependency-name: terser
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Gemfile.lock

@@ -534,7 +534,7 @@ GEM
     temple (0.10.3)
     terminal-table (3.0.2)
       unicode-display_width (>= 1.1.1, < 3)
-    terser (1.2.2)
+    terser (1.2.3)
       execjs (>= 0.3.0, < 3)
     thor (1.3.1)
     tilt (2.3.0)