Update dependency core-js to v3.6.4 (#101)

Update dependency core-js to v3.6.4

Reviewed-on: vikunja/frontend#101

package.json

@@ -31,7 +31,7 @@
     "@vue/cli-service": "4.3.1",
     "axios": "0.19.2",
     "babel-eslint": "10.1.0",
-    "core-js": "3.5.0",
+    "core-js": "3.6.4",
     "eslint": "6.8.0",
     "eslint-plugin-vue": "6.2.2",
     "node-sass": "4.13.1",

yarn.lock

@@ -4879,10 +4879,10 @@ core-js-compat@^3.6.2, core-js-compat@^3.6.4:
     browserslist "^4.8.3"
     semver "7.0.0"
 
-core-js@3.5.0:
-  version "3.5.0"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.5.0.tgz#66df8e49be4bd775e6f952a9d083b756ad41c1ed"
-  integrity sha512-Ifh3kj78gzQ7NAoJXeTu+XwzDld0QRIwjBLRqAMhuLhP3d2Av5wmgE9ycfnvK6NAEjTkQ1sDPeoEZAWO3Hx1Uw==
+core-js@3.6.4, 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@^2.4.0, core-js@^2.5.0:
   version "2.6.10"
@@ -4894,11 +4894,6 @@ core-js@^3.0.1:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.3.3.tgz#b7048d3c6c1a52b5fe55a729c1d4ccdffe0891bb"
   integrity sha512-0xmD4vUJRY8nfLyV9zcpC17FtSie5STXzw+HyYw2t8IIvmDnbq7RJUULECCo+NstpJtwK9kx8S+898iyqgeUow==
 
-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-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"
   resolved "https://registry.yarnpkg.com/core-util-is/-/core-util-is-1.0.2.tgz#b5fd54220aa2bc5ab57aab7140c940754503c1a7"