build: update core-js to version 3.6.4

(cherry picked from commit 62323f7)

Author: clydin

packages/angular_devkit/build_angular/package.json

@@ -23,7 +23,7 @@
     "clean-css": "4.2.1",
     "coverage-istanbul-loader": "2.0.3",
     "copy-webpack-plugin": "5.1.1",
-    "core-js": "3.2.1",
+    "core-js": "3.6.4",
     "file-loader": "4.2.0",
     "find-cache-dir": "3.0.0",
     "glob": "7.1.4",

yarn.lock

@@ -3318,10 +3318,10 @@ core-js-compat@^3.4.7:
     browserslist "^4.8.2"
     semver "^6.3.0"
 
-core-js@3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.2.1.tgz#cd41f38534da6cc59f7db050fe67307de9868b09"
-  integrity sha512-Qa5XSVefSVPRxy2XfUC13WbvqkxhkwB3ve+pgCQveNgYzbM/UxZeu1dcOX/xr4UmfUd+muuvsaxilQzCyUurMw==
+core-js@3.6.4:
+  version "3.6.4"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.6.4.tgz#440a83536b458114b9cb2ac1580ba377dc470647"
+  integrity sha512-4paDGScNgZP2IXXilaffL9X7968RuvwlkK3xWtZRVqgd8SYNiVKRJvkFd1aqqEuPfN7E68ZHEp9hDj6lHj4Hyw==
 
 core-js@^3.1.3:
   version "3.3.4"