Send Notification workflow failing for Pull Requests

[thivi]

Describe the issue:
The Send Notification workflow has been failing for pull requests for some time. This is the error message that is thrown on the console:

Run curl --location --request POST '' \
curl: (3) URL using bad/illegal format or missing URL
Error: Process completed with exit code 3.

How to reproduce:

Expected behavior:

Environment information (Please complete the following information; remove any unnecessary fields) :

• OS: [e.g., Windows, Linux, Mac]
• Browser: [e.g., Chrome, Firefox]
• SDK Version: [e.g., 0.1.0, 0.1.1]

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