Bump core-js from 3.26.1 to 3.38.1

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 3.26.1 to 3.38.1.
- [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/v3.38.1/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]>

package.json

@@ -8,7 +8,7 @@
     "lint": "vue-cli-service lint"
   },
   "dependencies": {
-    "core-js": "^3.6.5",
+    "core-js": "^3.38.1",
     "register-service-worker": "^1.7.1",
     "vue": "^2.6.11",
     "vue-router": "^3.4.2"