Bump @azure/msal-browser from 2.38.3 to 2.38.4 in /webapp

Bumps [@azure/msal-browser](https://github.com/AzureAD/microsoft-authentication-library-for-js) from 2.38.3 to 2.38.4.
- [Release notes](https://github.com/AzureAD/microsoft-authentication-library-for-js/releases)
- [Commits](AzureAD/microsoft-authentication-library-for-js@msal-browser-v2.38.3...msal-browser-v2.38.4)

---
updated-dependencies:
- dependency-name: "@azure/msal-browser"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

webapp/package.json

@@ -15,7 +15,7 @@
     "eject": "react-scripts eject"
   },
   "dependencies": {
-    "@azure/msal-browser": "^2.38.3",
+    "@azure/msal-browser": "^2.38.4",
     "@azure/msal-react": "^1.5.11",
     "@fluentui/react-components": "^9.47.1",
     "@fluentui/react-icons": "^2.0.233",

webapp/yarn.lock

@@ -29,10 +29,10 @@
     jsonpointer "^5.0.0"
     leven "^3.1.0"
 
-"@azure/msal-browser@^2.38.3":
-  version "2.38.3"
-  resolved "https://registry.yarnpkg.com/@azure/msal-browser/-/msal-browser-2.38.3.tgz#2f131fa9b7a8a9546fc8d34e5d99ce4c18b04147"
-  integrity sha512-2WuLFnWWPR1IdvhhysT18cBbkXx1z0YIchVss5AwVA95g7CU5CpT3d+5BcgVGNXDXbUU7/5p0xYHV99V5z8C/A==
+"@azure/msal-browser@^2.38.4":
+  version "2.38.4"
+  resolved "https://registry.yarnpkg.com/@azure/msal-browser/-/msal-browser-2.38.4.tgz#d8a04f6f164b7d59373f99fa6977578d796b4d28"
+  integrity sha512-d1qSanWO9fRKurrxhiyMOIj2jMoGw+2pHb51l2PXNwref7xQO+UeOP2q++5xfHQoUmgTtNuERhitynHla+dvhQ==
   dependencies:
     "@azure/msal-common" "13.3.1"