EAS build no longer sees "android_app_id" for "react-native-google-mobile-ads" in "app.json".

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Summary

I successfully build my project up to and including March 15th. Now I get an error that "android_app_id" was not found. There are no changes to app.json and app.config.ts

Managed or bare?

Managed

Environment

expo-env-info 1.2.0 environment info:
System:
OS: Windows 10 10.0.19045
Binaries:
Node: 20.11.0 - C:\Program Files\nodejs\node.EXE
npm: 10.2.4 - C:\Program Files\nodejs\npm.CMD
IDEs:
Android Studio: AI-223.8836.35.2231.11090377
npmPackages:
expo: ~50.0.14 => 50.0.14
react: 18.2.0 => 18.2.0
react-native: 0.73.6 => 0.73.6
Expo Workflow: managed

Error output

ERROR: react-native-google-mobile-ads requires an 'android_app_id' property inside a 'react-native-google-mobile-ads' key in your app.json.
No android_app_id property was found in this location. The native Google Mobile Ads SDK will crash on startup without it.

Reproducible demo or steps to reproduce from a blank project

My project has two files
app.json
{ "expo": { "name": "Test app (DEV)", "slug": "test-app-dev" }, "react-native-google-mobile-ads": { "android_app_id": "ca-app-pub-XXXX", "user_tracking_usage_description": "This identifier will be used to deliver personalized ads to you.", "sk_ad_network_items": [...]
app.config.ts
... const baseConfig = {...}; const getByAppEnv = () => {...}; export default ({config}: ConfigContext): ExpoConfig => { return merge(config, merge(baseConfig, getByAppEnv() ?? {})); };

Merging two files app.json and app.config.ts used to work fine, now it doesn't.

I tried merging both files and leaving only app.json, but still got the same error.