[Feature][Notification] notification support config send mode

[xxzuo]

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• I had searched in the feature and found no similar feature requirement.

Description

Currently, our notification only supports sending when a task fails.
We need to support users to customize when notifications are sent.
We need to support

1. Send when successful;
2. Send when failed;
3. Send when successful or failed

Usage Scenario

No response

Related issues

No response

Are you willing to submit a PR?

• Yes I am willing to submit a PR!