Bump uglifier from 4.2.0 to 4.2.1 (#2663)

Bumps [uglifier](https://github.com/lautis/uglifier) from 4.2.0 to 4.2.1.
- [Changelog](https://github.com/lautis/uglifier/blob/master/CHANGELOG.md)
- [Commits](lautis/uglifier@v4.2.0...v4.2.1)

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

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

Author: dependabot[bot]

Gemfile.lock

@@ -124,7 +124,7 @@ GEM
       dotenv (= 3.1.4)
       railties (>= 6.1)
     erubi (1.13.0)
-    execjs (2.8.1)
+    execjs (2.9.1)
     factory_bot (6.4.5)
       activesupport (>= 5.0.0)
     factory_bot_rails (6.4.3)
@@ -341,7 +341,7 @@ GEM
     timeout (0.4.1)
     tzinfo (2.0.6)
       concurrent-ruby (~> 1.0)
-    uglifier (4.2.0)
+    uglifier (4.2.1)
       execjs (>= 0.3.0, < 3)
     unicode-display_width (2.5.0)
     unicorn (6.1.0)