to fix error in "Slack Notify on Star" Job under GitHub Actions

[captain-Akshay]

Description Under GitHub Actions of this repository "Slack Notify on Star" job is failing for which Slack.yaml is to be Updated.

Expected Behavior

To fix this issue, update the code of slack.yaml

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[captain-Akshay]

i would like to work on this issue !

[saurabh100ni]

Go For it @captain-Akshay 😎🚀