Bump prop-types from 15.7.1 to 15.7.2 (#2993)

Bumps [prop-types](https://github.com/facebook/prop-types) from 15.7.1 to 15.7.2.
- [Release notes](https://github.com/facebook/prop-types/releases)
- [Changelog](https://github.com/facebook/prop-types/blob/master/CHANGELOG.md)
- [Commits](https://github.com/facebook/prop-types/compare/v15.7.1...v15.7.2)

Signed-off-by: dependabot[bot] <support@dependabot.com>

package-lock.json

@@ -16841,15 +16841,25 @@
       "dev": true
     },
     "prop-types": {
-      "version": "15.7.1",
-      "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.7.1.tgz",
-      "integrity": "sha512-f8Lku2z9kERjOCcnDOPm68EBJAO2K00Q5mSgPAUE/gJuBgsYLbVy6owSrtcHj90zt8PvW+z0qaIIgsIhHOa1Qw==",
+      "version": "15.7.2",
+      "resolved": "https://registry.npmjs.org/prop-types/-/prop-types-15.7.2.tgz",
+      "integrity": "sha512-8QQikdH7//R2vurIJSutZ1smHYTcLpRWEOlHnzcWHmBYrOGUysKwSsrC89BCiFj3CbrfJ/nXFdJepOVrY1GCHQ==",
       "dev": true,
       "requires": {
+        "loose-envify": "^1.4.0",
         "object-assign": "^4.1.1",
         "react-is": "^16.8.1"
       },
       "dependencies": {
+        "loose-envify": {
+          "version": "1.4.0",
+          "resolved": "https://registry.npmjs.org/loose-envify/-/loose-envify-1.4.0.tgz",
+          "integrity": "sha512-lyuxPGr/Wfhrlem2CL/UcnUc1zcqKAImBDzukY7Y5F/yQiNdko6+fRLevlw1HgMySw7f611UIY408EtxRSoK3Q==",
+          "dev": true,
+          "requires": {
+            "js-tokens": "^3.0.0 || ^4.0.0"
+          }
+        },
         "react-is": {
           "version": "16.8.1",
           "resolved": "https://registry.npmjs.org/react-is/-/react-is-16.8.1.tgz",

package.json

@@ -191,7 +191,7 @@
     "prettier": "1.16.4",
     "prettier-check": "^2.0.0",
     "pretty": "^2.0.0",
-    "prop-types": "^15.7.1",
+    "prop-types": "^15.7.2",
     "react": "^16.8.1",
     "react-dom": "^16.8.1",
     "react-error-overlay": "^5.1.2",