feat(deployment): add 'cancelled' status to deployment and implement cancellation logic

- Updated the deployment status enum to include 'cancelled'.
- Added a new utility function to handle the cancellation of deployments, setting their status to 'error'.
- Enhanced the status tooltip component to display 'Cancelled' when the status is 'cancelled'.
- Created a new SQL migration to add the 'cancelled' value to the deploymentStatus type.

packages/server/src/db/schema/deployment.ts

@@ -21,6 +21,7 @@ export const deploymentStatus = pgEnum("deploymentStatus", [
 	"running",
 	"done",
 	"error",
+	"cancelled",
 ]);
 
 export const deployments = pgTable("deployment", {