Build(deps): Bump message-bus-client in /app/assets/javascripts (#22335)

Bumps [message-bus-client](https://github.com/discourse/message_bus) from 4.3.2 to 4.3.7.
- [Changelog](https://github.com/discourse/message_bus/blob/main/CHANGELOG)
- [Commits](https://github.com/discourse/message_bus/compare/v4.3.2...v4.3.7)

---
updated-dependencies:
- dependency-name: message-bus-client
  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

@@ -54,7 +54,7 @@
     "js-yaml": "^4.1.0",
     "jsdom": "^22.1.0",
     "markdown-it": "^13.0.1",
-    "message-bus-client": "^4.3.2",
+    "message-bus-client": "^4.3.7",
     "messageformat": "0.1.5",
     "pretty-text": "1.0.0",
     "select-kit": "1.0.0",

app/assets/javascripts/yarn.lock

@@ -6843,10 +6843,10 @@ merge2@^1.2.3, merge2@^1.3.0:
   resolved "https://registry.yarnpkg.com/merge2/-/merge2-1.4.1.tgz#4368892f885e907455a6fd7dc55c0c9d404990ae"
   integrity sha512-8q7VEgMJW4J8tcfVPy8g09NcQwZdbwFEqhe/WZkoIzjn/3TGDwtOCYtXGxA3O8tPzpczCCDgv+P2P5y00ZJOOg==
 
-message-bus-client@^4.3.2:
-  version "4.3.2"
-  resolved "https://registry.yarnpkg.com/message-bus-client/-/message-bus-client-4.3.2.tgz#6c0db2f011e5e419d2bd47e668063f009cd65971"
-  integrity sha512-q0OardiBDTePbDqPciRDzwpzuleq1zGK4/jlBRjB9aVuqs5XrikUmrl7gRNJEiB0EyFNdl1ZYQzQR7V5L3hdhw==
+message-bus-client@^4.3.7:
+  version "4.3.7"
+  resolved "https://registry.yarnpkg.com/message-bus-client/-/message-bus-client-4.3.7.tgz#c06c6d0228235571c7addcdfa6065ed8c42b125e"
+  integrity sha512-lpdZWexPtU1chEgW5XxbxK/Ra/r8o1zfPxE76dSAO9DkK7i5lQhUTFdFGHy7CdSX747GqTa8dBk51SJZlWU+vQ==
 
 messageformat@0.1.5:
   version "0.1.5"