Bump core-js from 3.25.3 to 3.26.0 in /vue

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 3.25.3 to 3.26.0.
- [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/v3.26.0/packages/core-js)

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

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

vue/package.json

@@ -18,7 +18,7 @@
     "babel-core": "^6.26.3",
     "babel-loader": "^8.2.5",
     "bootstrap-vue": "^2.21.2",
-    "core-js": "^3.25.3",
+    "core-js": "^3.26.0",
     "html2pdf.js": "^0.10.1",
     "lodash": "^4.17.21",
     "mavon-editor": "^2.10.4",

vue/yarn.lock

@@ -4301,10 +4301,10 @@ core-js@^2.4.0, core-js@^2.5.0:
   resolved "https://registry.yarnpkg.com/core-js/-/core-js-2.6.12.tgz#d9333dfa7b065e347cc5682219d6f690859cc2ec"
   integrity sha512-Kb2wC0fvsWfQrgk8HU5lW6U/Lcs8+9aaYcy4ZFc6DDlo4nZ7n70dEgE5rtR0oG6ufKDUnrwfWL1mXR5ljDatrQ==
 
-core-js@^3.25.3, core-js@^3.6.0, core-js@^3.7.0, core-js@^3.8.3:
-  version "3.25.3"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.25.3.tgz#cbc2be50b5ddfa7981837bd8c41639f27b166593"
-  integrity sha512-y1hvKXmPHvm5B7w4ln1S4uc9eV/O5+iFExSRUimnvIph11uaizFR8LFMdONN8hG3P2pipUfX4Y/fR8rAEtcHcQ==
+core-js@^3.26.0, core-js@^3.6.0, core-js@^3.7.0, core-js@^3.8.3:
+  version "3.26.0"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.26.0.tgz#a516db0ed0811be10eac5d94f3b8463d03faccfe"
+  integrity sha512-+DkDrhoR4Y0PxDz6rurahuB+I45OsEUv8E1maPTB6OuHRohMMcznBq9TMpdpDMm/hUPob/mJJS3PqgbHpMTQgw==
 
 core-util-is@~1.0.0:
   version "1.0.3"