feat: remove token uniqueness constraint by provider

Some users want to have the same token multiple times, specially useful
for custom providers.

Author: geclos

packages/core/drizzle/0134_spicy_nova.sql

@@ -0,0 +1 @@
+ALTER TABLE "latitude"."provider_api_keys" DROP CONSTRAINT "provider_api_keys_token_provider_workspace_id_deleted_at_unique";