Build(deps-dev): Bump terser in /app/assets/javascripts (#23397)

Bumps [terser](https://github.com/terser/terser) from 5.19.3 to 5.19.4.
- [Changelog](https://github.com/terser/terser/blob/master/CHANGELOG.md)
- [Commits](https://github.com/terser/terser/compare/v5.19.3...v5.19.4)

---
updated-dependencies:
- dependency-name: terser
  dependency-type: direct:development
  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>

app/assets/javascripts/discourse/package.json

@@ -97,7 +97,7 @@
     "select-kit": "1.0.0",
     "sinon": "^15.2.0",
     "source-map": "^0.7.4",
-    "terser": "^5.19.3",
+    "terser": "^5.19.4",
     "tippy.js": "^6.3.7",
     "truth-helpers": "1.0.0",
     "util": "^0.12.5",

app/assets/javascripts/yarn.lock

@@ -9274,10 +9274,10 @@ terser-webpack-plugin@^5.3.7:
     serialize-javascript "^6.0.1"
     terser "^5.16.8"
 
-terser@^5.16.8, terser@^5.19.3, terser@^5.3.0:
-  version "5.19.3"
-  resolved "https://registry.yarnpkg.com/terser/-/terser-5.19.3.tgz#359baeba615aef13db4b8c4d77a2aa0d8814aa9e"
-  integrity sha512-pQzJ9UJzM0IgmT4FAtYI6+VqFf0lj/to58AV0Xfgg0Up37RyPG7Al+1cepC6/BVuAxR9oNb41/DL4DEoHJvTdg==
+terser@^5.16.8, terser@^5.19.4, terser@^5.3.0:
+  version "5.19.4"
+  resolved "https://registry.yarnpkg.com/terser/-/terser-5.19.4.tgz#941426fa482bf9b40a0308ab2b3cd0cf7c775ebd"
+  integrity sha512-6p1DjHeuluwxDXcuT9VR8p64klWJKo1ILiy19s6C9+0Bh2+NWTX6nD9EPppiER4ICkHDVB1RkVpin/YW2nQn/g==
   dependencies:
     "@jridgewell/source-map" "^0.3.3"
     acorn "^8.8.2"