chore: bump version to 2.21.2 in package.json and update feature flags for account settings (#412)

- Incremented application version from 2.21.0 to 2.21.2 in package.json.
- Added logic to conditionally show email option in account settings based on enabled authentication methods.
- Updated PersonalAccountSettingsContainer to utilize the new showLinkEmailOption feature flag.
- Refactored migration script to correct delimiter usage for better parsing of migration lines.

tooling/scripts/src/migrations.mjs

@@ -16,7 +16,8 @@ export function checkPendingMigrations() {
 
     const pendingMigrations = migrationLines
       .filter((line) => {
-        const [local, remote] = line.split('│').map((s) => s.trim());
+        const [local, remote] = line.split('|').map((s) => s.trim());
+
         return local !== '' && remote === '';
       })
       .map((line) => (line.split('│')[0] ?? '').trim());