fix: update schema baselines, logical schema, and snapshot cutoff for icon_url

crates/aether-data/schema/generated/sqlite/baseline/003_auth_config.sql

@@ -34,6 +34,7 @@ CREATE TABLE IF NOT EXISTS oauth_providers (
     frontend_callback_url TEXT NOT NULL,
     attribute_mapping TEXT,
     extra_config TEXT,
+    icon_url TEXT,
     is_enabled INTEGER NOT NULL DEFAULT 0,
     created_at INTEGER NOT NULL,
     updated_at INTEGER NOT NULL