Bump core-js from 3.33.3 to 3.34.0 in /ui (#446)

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 3.33.3 to 3.34.0.
- [Release notes](https://github.com/zloirock/core-js/releases)
- [Changelog](https://github.com/zloirock/core-js/blob/master/CHANGELOG.md)
- [Commits](https://github.com/zloirock/core-js/commits/v3.34.0/packages/core-js)

---
updated-dependencies:
- dependency-name: core-js
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

ui/core/package.json

@@ -24,7 +24,7 @@
     "bootstrap-vue": "2.0.0-rc.12",
     "brace": "^0.11.1",
     "codemirror": "^5.39.2",
-    "core-js": "^3.33.3",
+    "core-js": "^3.34.0",
     "ethereumjs-util": "^7.1.5",
     "flatpickr": "^4.5.1",
     "font-awesome": "^4.7.0",

ui/yarn.lock

@@ -4352,10 +4352,10 @@ core-js@^2.4.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
   integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
 
-core-js@^3.33.3, core-js@^3.6.5:
-  version "3.33.3"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.33.3.tgz#3c644a323f0f533a0d360e9191e37f7fc059088d"
-  integrity sha512-lo0kOocUlLKmm6kv/FswQL8zbkH7mVsLJ/FULClOhv8WRVmKLVcs6XPNQAzstfeJTCHMyButEwG+z1kHxHoDZw==
+core-js@^3.34.0, core-js@^3.6.5:
+  version "3.34.0"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.34.0.tgz#5705e6ad5982678612e96987d05b27c6c7c274a5"
+  integrity sha512-aDdvlDder8QmY91H88GzNi9EtQi2TjvQhpCX6B1v/dAZHU1AuLgHvRh54RiOerpEhEW46Tkf+vgAViB/CWC0ag==
 
 [email protected]:
   version "1.0.2"