fix(deps): bump core-js from 3.9.0 to 3.12.0

Bumps [core-js](https://github.com/zloirock/core-js/tree/HEAD/packages/core-js) from 3.9.0 to 3.12.0.
- [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/v3.12.0/packages/core-js)

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

Author: dependabot[bot]

package-lock.json

@@ -22,7 +22,7 @@
     "@diracleo/vue-enlargeable-image": "0.0.7",
     "@nuxt/content": "^1.11.1",
     "@nuxt/typescript-runtime": "^2.0.1",
-    "core-js": "^3.9.0",
+    "core-js": "^3.12.1",
     "nuxt": "^2.15.0"
   },
   "devDependencies": {