Bump core-js from 3.18.1 to 3.18.3 in /webui/frontend

Bumps [core-js](https://github.com/zloirock/core-js) from 3.18.1 to 3.18.3.
- [Release notes](https://github.com/zloirock/core-js/releases)
- [Changelog](https://github.com/zloirock/core-js/blob/master/CHANGELOG.md)
- [Commits](zloirock/core-js@v3.18.1...v3.18.3)

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

Signed-off-by: dependabot[bot] <support@github.com>

webui/frontend/package.json

@@ -12,7 +12,7 @@
     "@vue/composition-api": "^1.2.2",
     "axios": "^0.22.0",
     "bootstrap-vue": "^2.21.2",
-    "core-js": "^3.18.1",
+    "core-js": "^3.18.3",
     "vue": "^2.6.14",
     "vue-class-component": "^7.2.6",
     "vue-property-decorator": "^9.1.2",

webui/frontend/yarn.lock

@@ -2870,10 +2870,10 @@ core-js@^2.6.5:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.11.tgz#38831469f9922bded8ee21c9dc46985e0399308c"
   integrity sha512-5wjnpaT/3dV+XB4borEsnAYQchn00XSgTAWKDkEqv+K8KevjbzmofK6hfJ9TZIlpj2N0xQpazy7PiRQiWHqzWg==
 
-core-js@^3.18.1, core-js@^3.6.5:
-  version "3.18.1"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.18.1.tgz#289d4be2ce0085d40fc1244c0b1a54c00454622f"
-  integrity sha512-vJlUi/7YdlCZeL6fXvWNaLUPh/id12WXj3MbkMw5uOyF0PfWPBNOCNbs53YqgrvtujLNlt9JQpruyIKkUZ+PKA==
+core-js@^3.18.3, core-js@^3.6.5:
+  version "3.18.3"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.18.3.tgz#86a0bba2d8ec3df860fefcc07a8d119779f01509"
+  integrity sha512-tReEhtMReZaPFVw7dajMx0vlsz3oOb8ajgPoHVYGxr8ErnZ6PcYEvvmjGmXlfpnxpkYSdOQttjB+MvVbCGfvLw==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"