Update dependency yarn to ^1.17.3

Author: renovate-bot

package.json

@@ -14,6 +14,6 @@
     "husky": "^1.3.1",
     "lerna": "^3.16.4",
     "lint-staged": "^8.2.1",
-    "yarn": "^1.16.0"
+    "yarn": "^1.17.3"
   }
 }

yarn.lock

@@ -17122,7 +17122,7 @@ yarn@^1.10.1, yarn@^1.12.3:
   resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.16.0.tgz#5701b58ac555ff91f7b889b7d791b3dc86f8f999"
   integrity sha512-cfemyGlnWKA1zopUUgebTPf8C4WkPIZ+TJmklwcEAJ4u6oWPtJeAzrsamaGGh/+b1XWe8W51yzAImC4AWbWR1g==
 
-yarn@^1.16.0:
+yarn@^1.17.3:
   version "1.17.3"
   resolved "https://registry.yarnpkg.com/yarn/-/yarn-1.17.3.tgz#60e0b77d079eb78e753bb616f7592b51b6a9adce"
   integrity sha512-CgA8o7nRZaQvmeF/WBx2FC7f9W/0X59T2IaLYqgMo6637wfp5mMEsM3YXoJtKUspnpmDJKl/gGFhnqS+sON7hA==