Exec timeout after 5 minutes

**Describe the bug**
Exec times out after 5 minutes. Possibly caused by network proxies.

Is it worth implementing a ping-pong or a keepalive in kubernetes JavaScript client?

**Client Version**
1.3.0

**Server Version**
1.33.10

**To Reproduce**
Steps to reproduce the behavior:

**Expected behavior**
A clear and concise description of what you expected to happen.

**Example Code**
Code snippet for what you are doing

**Environment (please complete the following information):**

- OS: Linux
- Node.js version 20
- Cloud runtime GKE

**Additional context**

Like #478