Bump core-js from 3.15.2 to 3.16.0 in /web/app (#6611)

Bumps [core-js](https://github.com/zloirock/core-js) from 3.15.2 to 3.16.0.
- [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/v3.15.2...v3.16.0)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

web/app/package.json

@@ -16,7 +16,7 @@
     "@material-ui/icons": "4.11.2",
     "@material-ui/lab": "^4.0.0-alpha.60",
     "classnames": "2.3.1",
-    "core-js": "^3.15.2",
+    "core-js": "^3.16.0",
     "css-mediaquery": "^0.1.2",
     "d3-drag": "3.0.0",
     "d3-force": "3.0.0",

web/app/yarn.lock

@@ -3137,10 +3137,10 @@ core-js-pure@^3.15.0:
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.15.1.tgz#8356f6576fa2aa8e54ca6fe02620968ff010eed7"
   integrity sha512-OZuWHDlYcIda8sJLY4Ec6nWq2hRjlyCqCZ+jCflyleMkVt3tPedDVErvHslyS2nbO+SlBFMSBJYvtLMwxnrzjA==
 
-core-js@^3.15.2:
-  version "3.15.2"
-  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.15.2.tgz#740660d2ff55ef34ce664d7e2455119c5bdd3d61"
-  integrity sha512-tKs41J7NJVuaya8DxIOCnl8QuPHx5/ZVbFo1oKgVl1qHFBBrDctzQGtuLjPpRdNTWmKPH6oEvgN/MUID+l485Q==
+core-js@^3.16.0:
+  version "3.16.0"
+  resolved "https://registry.yarnpkg.com/core-js/-/core-js-3.16.0.tgz#1d46fb33720bc1fa7f90d20431f36a5540858986"
+  integrity sha512-5+5VxRFmSf97nM8Jr2wzOwLqRo6zphH2aX+7KsAUONObyzakDNq2G/bgbhinxB4PoV9L3aXQYhiDKyIKWd2c8g==
 
 core-util-is@1.0.2, core-util-is@~1.0.0:
   version "1.0.2"