chore(deps): update dependency enzyme-adapter-react-16 to v1.15.6

package-lock.json

@@ -7594,16 +7594,16 @@
       }
     },
     "enzyme-adapter-react-16": {
-      "version": "1.15.5",
-      "resolved": "https://registry.npmjs.org/enzyme-adapter-react-16/-/enzyme-adapter-react-16-1.15.5.tgz",
-      "integrity": "sha512-33yUJGT1nHFQlbVI5qdo5Pfqvu/h4qPwi1o0a6ZZsjpiqq92a3HjynDhwd1IeED+Su60HDWV8mxJqkTnLYdGkw==",
+      "version": "1.15.6",
+      "resolved": "https://registry.npmjs.org/enzyme-adapter-react-16/-/enzyme-adapter-react-16-1.15.6.tgz",
+      "integrity": "sha512-yFlVJCXh8T+mcQo8M6my9sPgeGzj85HSHi6Apgf1Cvq/7EL/J9+1JoJmJsRxZgyTvPMAqOEpRSu/Ii/ZpyOk0g==",
       "dev": true,
       "requires": {
-        "enzyme-adapter-utils": "^1.13.1",
+        "enzyme-adapter-utils": "^1.14.0",
         "enzyme-shallow-equal": "^1.0.4",
         "has": "^1.0.3",
-        "object.assign": "^4.1.0",
-        "object.values": "^1.1.1",
+        "object.assign": "^4.1.2",
+        "object.values": "^1.1.2",
         "prop-types": "^15.7.2",
         "react-is": "^16.13.1",
         "react-test-renderer": "^16.0.0-0",

package.json

@@ -84,7 +84,7 @@
     "@edx/frontend-build": "5.6.8",
     "codecov": "3.7.2",
     "enzyme": "3.10.0",
-    "enzyme-adapter-react-16": "1.15.5",
+    "enzyme-adapter-react-16": "1.15.6",
     "es-check": "5.0.0",
     "glob": "7.1.6",
     "husky": "3.1.0",