[#241] [iOS] Set "build-number" by "$GITHUB_RUN_NUMBER" when building the app bundle

[nmint8m]

• Solves #241

What happened 👀

I add the $GITHUB_RUN_NUMBER as the build number for iOS when building the app.

Insight 📝

I add the $GITHUB_RUN_NUMBER as the build number for iOS when building the app for both /.github/workflows/ios_deploy_staging_to_firebase.yml and /bricks/template/__brick__/{{project_name.snakeCase()}}/.github/workflows/ios_deploy_staging_to_firebase.yml

Proof Of Work 📹

Build with run number 45