yarn.lock: upgrade deep-extend dependencies

Author: NadiKuts

yarn.lock

@@ -1720,6 +1720,10 @@ dedent@^0.6.0:
   version "0.6.0"
   resolved "https://registry.yarnpkg.com/dedent/-/dedent-0.6.0.tgz#0e6da8f0ce52838ef5cec5c8f9396b0c1b64a3cb"
 
+deep-extend@^0.5.1:
+  version "0.5.1"
+  resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.5.1.tgz#b894a9dd90d3023fbf1c55a394fb858eb2066f1f"
+
 deep-extend@~0.4.0:
   version "0.4.2"
   resolved "https://registry.yarnpkg.com/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"