github auto migration failed since v2.108 update due new config.toml key [local_smtp] not recognized

# Bug report <!-- ⚠️ We receive a lot of bug reports which have already been solved or discussed. If you are looking for help, please try these first: - Docs: https://docs.supabase.com - Discussions: https://github.com/supabase/supabase/discussions - Discord: https://discord.supabase.com Before opening a bug report, please verify the following: --> - [x] I confirm this is a bug with Supabase, not with my own application. - [x] I confirm I have searched the [Docs](https://docs.supabase.com), GitHub [Discussions](https://github.com/supabase/supabase/discussions), and [Discord](https://discord.supabase.com). ## Describe the bug Since Supabase CLI update v2.108 with the new local_smtp config key, Github integration failed to auto migrate after pushes with the following log: 2026/07/05 09:52:28 INFO Cloning git repo... git_ref=main 2026/07/05 09:52:30 failed to parse config: decoding failed due to the following error(s): 'config.config' has invalid keys: local_smtp ## To Reproduce Steps to reproduce the behavior, please provide code snippets or a repository: 1. Include the local_smtp key in config.toml file 2. Push to main branch 3. Workflows log shows cloning repo failed error ## Expected behavior The migrations should be applied automatically after push. ## Screenshot <img width="781" height="355" alt="Image" src="https://github.com/user-attachments/assets/bc4c319e-b792-4b51-903b-794b7eef7047" /> <img width="727" height="208" alt="Image" src="https://github.com/user-attachments/assets/0e7db991-6656-4e11-892c-c8ea7eb729fb" />