Update dependency prop-types to v15.8.1

Author: renovate[bot]

yarn.lock

@@ -6113,11 +6113,13 @@ prop-types@15.5.8:
     fbjs "^0.8.9"
 
 prop-types@^15.5.10, prop-types@^15.5.4, prop-types@^15.5.6, prop-types@^15.5.8, prop-types@^15.5.9:
-  version "15.5.10"
-  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.5.10.tgz#2797dfc3126182e3a95e3dfbb2e893ddd7456154"
+  version "15.8.1"
+  resolved "https://registry.yarnpkg.com/prop-types/-/prop-types-15.8.1.tgz#67d87bf1a694f48435cf332c24af10214a3140b5"
+  integrity sha512-oj87CgZICdulUohogVAR7AjlC0327U4el4L6eAvOqCeudMDVU0NThNaV+b9Df4dXgSP1gXMTnPdhfe/2qDH5cg==
   dependencies:
-    fbjs "^0.8.9"
-    loose-envify "^1.3.1"
+    loose-envify "^1.4.0"
+    object-assign "^4.1.1"
+    react-is "^16.13.1"
 
 prop-types@^15.6.0:
   version "15.7.2"
@@ -6324,7 +6326,7 @@ react-inspector@^2.1.1:
     babel-runtime "^6.23.0"
     is-dom "^1.0.9"
 
-react-is@^16.3.1, react-is@^16.7.0, react-is@^16.8.1:
+react-is@^16.13.1, react-is@^16.3.1, react-is@^16.7.0, react-is@^16.8.1:
   version "16.13.1"
   resolved "https://registry.yarnpkg.com/react-is/-/react-is-16.13.1.tgz#789729a4dc36de2999dc156dd6c1d9c18cea56a4"
   integrity sha512-24e6ynE2H+OKt4kqsOvNd8kBpV65zoxbA4BVsEOB3ARVWQki/DHzaUoC5KuON/BiccDaCCTZBuOcfZs70kR8bQ==