use v4-specific heartbeat interval env var and decrease to 20s

Author: nicktrn

packages/cli-v3/src/entryPoints/managed/env.ts

@@ -43,7 +43,7 @@ const Env = z.object({
   TRIGGER_SUPERVISOR_API_DOMAIN: z.string(),
   TRIGGER_SUPERVISOR_API_PORT: z.coerce.number(),
   TRIGGER_WORKER_INSTANCE_NAME: z.string(),
-  TRIGGER_HEARTBEAT_INTERVAL_SECONDS: z.coerce.number().default(30),
+  TRIGGER_HEARTBEAT_INTERVAL_SECONDS: z.coerce.number().default(20),
   TRIGGER_SNAPSHOT_POLL_INTERVAL_SECONDS: z.coerce.number().default(5),
   TRIGGER_SUCCESS_EXIT_CODE: z.coerce.number().default(0),
   TRIGGER_FAILURE_EXIT_CODE: z.coerce.number().default(1),

packages/cli-v3/src/entryPoints/managed/execution.ts

@@ -110,6 +110,7 @@ export class RunExecution {
       env: {
         ...envVars,
         ...this.env.gatherProcessEnv(),
+        HEARTBEAT_INTERVAL_MS: String(this.env.TRIGGER_HEARTBEAT_INTERVAL_SECONDS * 1000),
       },
       serverWorker: {
         id: "managed",