chore(deps-dev): bump @expo/webpack-config in /example

Bumps [@expo/webpack-config](https://github.com/expo/expo-cli/tree/HEAD/packages/webpack-config) from 0.12.69 to 0.12.72.
- [Release notes](https://github.com/expo/expo-cli/releases)
- [Changelog](https://github.com/expo/expo-cli/blob/master/CHANGELOG.md)
- [Commits](https://github.com/expo/expo-cli/commits/@expo/webpack-config@0.12.72/packages/webpack-config)

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

Author: dependabot[bot]

example/package.json

@@ -18,7 +18,7 @@
   },
   "devDependencies": {
     "@babel/core": "^7.12.10",
-    "@expo/webpack-config": "^0.12.69",
+    "@expo/webpack-config": "^0.12.72",
     "@types/react": "~17.0.0",
     "@types/react-native": "~0.62.13",
     "expo-font": "^8.4.0",