Bump yargs from 15.4.1 to 16.0.3

Bumps [yargs](https://github.com/yargs/yargs) from 15.4.1 to 16.0.3.
- [Release notes](https://github.com/yargs/yargs/releases)
- [Changelog](https://github.com/yargs/yargs/blob/master/CHANGELOG.md)
- [Commits](https://github.com/yargs/yargs/compare/v15.4.1...v16.0.3)

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

package.json

@@ -107,7 +107,7 @@
     "webpack-dev-middleware": "^3.6.2",
     "webpack-dev-server": "^3.3.1",
     "worker-loader": "^3.0.0",
-    "yargs": "^15.0.2"
+    "yargs": "^16.0.3"
   },
   "eslintConfig": {
     "extends": "openlayers",