build(deps): bump dot-prop from 4.2.0 to 4.2.1 in /UI_dev/qmui_web

Bumps [dot-prop](https://github.com/sindresorhus/dot-prop) from 4.2.0 to 4.2.1.
- [Release notes](https://github.com/sindresorhus/dot-prop/releases)
- [Commits](sindresorhus/dot-prop@v4.2.0...v4.2.1)

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

Author: dependabot[bot]

UI_dev/qmui_web/yarn.lock

@@ -2538,9 +2538,9 @@ domutils@^2.8.0:
     domhandler "^4.2.0"
 
 dot-prop@^4.1.1:
-  version "4.2.0"
-  resolved "https://registry.npmjs.org/dot-prop/-/dot-prop-4.2.0.tgz"
-  integrity sha512-tUMXrxlExSW6U2EXiiKGSBVdYgtV8qlHL+C10TsW4PURY/ic+eaysnSkwB4kA/mBlCyy/IKDJ+Lc3wbWeaXtuQ==
+  version "4.2.1"
+  resolved "https://registry.yarnpkg.com/dot-prop/-/dot-prop-4.2.1.tgz#45884194a71fc2cda71cbb4bceb3a4dd2f433ba4"
+  integrity sha512-l0p4+mIuJIua0mhxGoh4a+iNL9bmeK5DvnSVQa6T0OhrVmaEa1XScX5Etc673FePCJOArq/4Pa2cLGODUWTPOQ==
   dependencies:
     is-obj "^1.0.0"