chore(deps): bump dot-prop from 4.2.0 to 4.2.1

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]

yarn.lock

@@ -3193,9 +3193,9 @@ domutils@^1.5.1, domutils@^1.7.0:
     domelementtype "1"
 
 dot-prop@^4.1.1:
-  version "4.2.0"
-  resolved "https://registry.npm.taobao.org/dot-prop/download/dot-prop-4.2.0.tgz?cache=0&sync_timestamp=1572620518450&other_urls=https%3A%2F%2Fregistry.npm.taobao.org%2Fdot-prop%2Fdownload%2Fdot-prop-4.2.0.tgz#1f19e0c2e1aa0e32797c49799f2837ac6af69c57"
-  integrity sha1-HxngwuGqDjJ5fEl5nyg3rGr2nFc=
+  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"