ref: fix typing for sentry.management.commands.makemigrations (#62548)

<!-- Describe your PR here. -->

pyproject.toml

@@ -390,7 +390,6 @@ module = [
     "sentry.issues.search",
     "sentry.issues.status_change",
     "sentry.mail.adapter",
-    "sentry.management.commands.makemigrations",
     "sentry.middleware.access_log",
     "sentry.middleware.auth",
     "sentry.middleware.ratelimit",

src/sentry/management/commands/makemigrations.py

@@ -17,7 +17,7 @@ will then be regenerated, and you should be able to merge without conflicts.
 
 
 # We check that the latest migration is the one stored in the lockfile
-def validate(migrations_filepath, latest_migration_by_app):
+def validate(migrations_filepath: str, latest_migration_by_app: dict[str, str]) -> None:
     infile = {}
     with open(migrations_filepath, encoding="utf-8") as file:
         for line in file:
@@ -52,7 +52,7 @@ class Command(makemigrations.Command):
         super().handle(*app_labels, **options)
         loader = MigrationLoader(None, ignore_no_migrations=True)
 
-        latest_migration_by_app = {}
+        latest_migration_by_app: dict[str, str] = {}
         for migration in loader.disk_migrations.values():
             name = migration.name
             app_label = migration.app_label