Update dependency prop-types to v15.7.2 (#4643)

package.json

@@ -50,7 +50,7 @@
     "ng-text-truncate-2": "1.0.1",
     "numeral": "2.0.6",
     "popper.js": "1.14.7",
-    "prop-types": "15.7.1",
+    "prop-types": "15.7.2",
     "query-string": "6.2.0",
     "react": "16.8.1",
     "react-day-picker": "7.2.4",

yarn.lock

@@ -7397,11 +7397,12 @@ prompts@^2.0.1:
     kleur "^3.0.0"
     sisteransi "^1.0.0"
 
-prop-types@15.7.1, prop-types@^15.5.0, prop-types@^15.5.10, prop-types@^15.5.4, prop-types@^15.5.8, prop-types@^15.6.0, prop-types@^15.6.1, prop-types@^15.6.2:
-  version "15.7.1"
-  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.1.tgz#2fa61e0a699d428b40320127733ee2931f05d9d1"
-  integrity sha512-f8Lku2z9kERjOCcnDOPm68EBJAO2K00Q5mSgPAUE/gJuBgsYLbVy6owSrtcHj90zt8PvW+z0qaIIgsIhHOa1Qw==
+prop-types@15.7.2, prop-types@^15.5.0, prop-types@^15.5.10, prop-types@^15.5.4, prop-types@^15.5.8, prop-types@^15.6.0, prop-types@^15.6.1, prop-types@^15.6.2:
+  version "15.7.2"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.7.2.tgz#52c41e75b8c87e72b9d9360e0206b99dcbffa6c5"
+  integrity sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==
   dependencies:
+    loose-envify "^1.4.0"
     object-assign "^4.1.1"
     react-is "^16.8.1"