fix: upgrade core-js from 3.2.1 to 3.15.2

Snyk has created this PR to upgrade core-js from 3.2.1 to 3.15.2.

See this package in npm:


See this project in Snyk:
https://app.snyk.io/org/reactioncommerce/project/244e530e-85ec-4adb-8fb4-742e65ba9b0e?utm_source=github&utm_medium=upgrade-pr

package.json

@@ -91,7 +91,7 @@
   "dependencies": {
     "@babel/runtime": "~7.5.5",
     "@reactioncommerce/components-context": "~1.2.0",
-    "core-js": "^3.2.1",
+    "core-js": "^3.15.2",
     "lodash": "~4.17.21",
     "prop-types": "~15.7.2",
     "react": "~16.9.0",

yarn.lock

@@ -3428,9 +3428,10 @@ core-js@^3.0.0:
   version "3.1.4"
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.1.4.tgz#3a2837fc48e582e1ae25907afcd6cf03b0cc7a07"
 
-core-js@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.2.1.tgz#cd41f38534da6cc59f7db050fe67307de9868b09"
+core-js@^3.15.2:
+  version "3.16.2"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.16.2.tgz#3f485822889c7fc48ef463e35be5cc2a4a01a1f4"
+  integrity sha512-P0KPukO6OjMpjBtHSceAZEWlDD1M2Cpzpg6dBbrjFqFhBHe/BwhxaP820xKOjRn/lZRQirrCusIpLS/n2sgXLQ==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
@@ -8768,7 +8769,6 @@ npm@^6.8.0:
     cmd-shim "^3.0.3"
     columnify "~1.5.4"
     config-chain "^1.1.12"
-    debuglog "*"
     detect-indent "~5.0.0"
     detect-newline "^2.1.0"
     dezalgo "~1.0.3"
@@ -8783,7 +8783,6 @@ npm@^6.8.0:
     has-unicode "~2.0.1"
     hosted-git-info "^2.8.8"
     iferr "^1.0.2"
-    imurmurhash "*"
     infer-owner "^1.0.4"
     inflight "~1.0.6"
     inherits "^2.0.4"
@@ -8802,14 +8801,8 @@ npm@^6.8.0:
     libnpx "^10.2.4"
     lock-verify "^2.1.0"
     lockfile "^1.0.4"
-    lodash._baseindexof "*"
     lodash._baseuniq "~4.6.0"
-    lodash._bindcallback "*"
-    lodash._cacheindexof "*"
-    lodash._createcache "*"
-    lodash._getnative "*"
     lodash.clonedeep "~4.5.0"
-    lodash.restparam "*"
     lodash.union "~4.6.0"
     lodash.uniq "~4.5.0"
     lodash.without "~4.4.0"