Create a GHA Job to send notification to Slack Once Package Published to NPM Registry

[AndyBoWu]

Description and context

CONTEXT
For now, we need to manually post the package publication information to multiple channels, which is expensive.

We'd like to automate this procedure.

DONE WHEN

1. workflow can be executed successfully
2. notification can be sent to the designated channel
3. reusable workflow

can refer to this workflow: https://github.com/storyprotocol/api-integration-tests/blob/582b16dfd06626212d329096c04aad9e0c952eaa/.github/workflows/ci.yml#L53