Bump core-js from 3.7.0 to 3.8.0

Bumps [core-js](https://github.com/zloirock/core-js) from 3.7.0 to 3.8.0.
- [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/compare/v3.7.0...v3.8.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>
Signed-off-by: npmbuildbot-nextcloud[bot] <npmbuildbot-nextcloud[bot]@users.noreply.github.com>

package-lock.json

@@ -3609,9 +3609,9 @@
       "integrity": "sha1-Z29us8OZl8LuGsOpJP1hJHSPV40="
     },
     "core-js": {
-      "version": "3.7.0",
-      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.7.0.tgz",
-      "integrity": "sha512-NwS7fI5M5B85EwpWuIwJN4i/fbisQUwLwiSNUWeXlkAZ0sbBjLEvLvFLf1uzAUV66PcEPt4xCGCmOZSxVf3xzA=="
+      "version": "3.8.0",
+      "resolved": "https://registry.npmjs.org/core-js/-/core-js-3.8.0.tgz",
+      "integrity": "sha512-W2VYNB0nwQQE7tKS7HzXd7r2y/y2SVJl4ga6oH/dnaLFzM0o2lB2P3zCkWj5Wc/zyMYjtgd5Hmhk0ObkQFZOIA=="
     },
     "core-js-compat": {
       "version": "3.7.0",

package.json

@@ -47,7 +47,7 @@
     "bootstrap": "^4.5.3",
     "camelcase": "^6.2.0",
     "clipboard": "^2.0.6",
-    "core-js": "^3.7.0",
+    "core-js": "^3.8.0",
     "css-vars-ponyfill": "^2.4.2",
     "davclient.js": "git+https://github.com/owncloud/davclient.js.git#0.2.1",
     "debounce": "^1.2.0",