[*] Security - Patch tree-kill devDependency vulnerability

Author: arnaudbesnier

CHANGELOG.md

@@ -10,6 +10,7 @@
 - Login - Make the login error messages brought up to the end client through toasts more accurate.
 - Schema - Schemas having fields with escaped characters are now properly saved as valid JSON.
 - Security - Patch `set-value` dependency vulnerability.
+- Security - Patch `tree-kill` devDependency vulnerability.
 
 ## RELEASE 5.6.0 - 2020-01-14
 ### Added

yarn.lock

@@ -6493,9 +6493,9 @@ tr46@^1.0.1:
     punycode "^2.1.0"
 
 tree-kill@^1.2.0:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.1.tgz#5398f374e2f292b9dcc7b2e71e30a5c3bb6c743a"
-  integrity sha512-4hjqbObwlh2dLyW4tcz0Ymw0ggoaVDMveUB9w8kFSQScdRLo0gxO9J7WFcUBo+W3C1TLdFIEwNOWebgZZ0RH9Q==
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/tree-kill/-/tree-kill-1.2.2.tgz#4ca09a9092c88b73a7cdc5e8a01b507b0790a0cc"
+  integrity sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==
 
 trim-right@^1.0.1:
   version "1.0.1"