Build(deps): Bump @babel/standalone in /app/assets/javascripts (#20153)

Bumps [@babel/standalone](https://github.com/babel/babel/tree/HEAD/packages/babel-standalone) from 7.20.14 to 7.20.15.
- [Release notes](https://github.com/babel/babel/releases)
- [Changelog](https://github.com/babel/babel/blob/main/CHANGELOG.md)
- [Commits](https://github.com/babel/babel/commits/v7.20.15/packages/babel-standalone)

---
updated-dependencies:
- dependency-name: "@babel/standalone"
  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>

app/assets/javascripts/discourse/package.json

@@ -17,7 +17,7 @@
   },
   "dependencies": {
     "@babel/core": "^7.20.12",
-    "@babel/standalone": "^7.20.14",
+    "@babel/standalone": "^7.20.15",
     "@discourse/backburner.js": "^2.7.1-0",
     "@discourse/itsatrap": "^2.0.10",
     "@ember-compat/tracked-built-ins": "^0.9.1",

app/assets/javascripts/yarn.lock

@@ -956,10 +956,10 @@
   dependencies:
     regenerator-runtime "^0.13.4"
 
-"@babel/standalone@^7.20.14":
-  version "7.20.14"
-  resolved "https://registry.yarnpkg.com/@babel/standalone/-/standalone-7.20.14.tgz#26b02632680ca58da9612630b1035d11e62437a1"
-  integrity sha512-zxdQD6+eMQumJFPOLpOZE34JAAGrZPMXCKvHR7Mtat/l+nHDOxlit5u85HDk5WkBXmvN5PhUMeimiC95KXD9+A==
+"@babel/standalone@^7.20.15":
+  version "7.20.15"
+  resolved "https://registry.yarnpkg.com/@babel/standalone/-/standalone-7.20.15.tgz#ef82f1a9789d21d8b23f74d9fa8acecbe6ced02c"
+  integrity sha512-B3LmZ1NHlTb2eFEaw8rftZc730Wh9MlmsH8ubb6IjsNoIk9+SQ2aAA0nrm/1806+PftPRAACPClmKTu8PG7Tew==
 
 "@babel/template@^7.16.7", "@babel/template@^7.18.10", "@babel/template@^7.20.7":
   version "7.20.7"