Remove indirect usage of vulnerable package whilp/git-urls

[grinish21]

Describe the bug
Currently there is an indirect dependency on github.com/whilp/git-urls which comes from https://github.com/argoproj/notifications-engine. The notification-engine repo is updated but a new tag hasn't been released.
Fix: argoproj/notifications-engine@f485671

whilp/git-urls repo has a vuln and the repo is inactive -> whilp/git-urls#28

Additional context
There is no direct problem as such more of a security concern on using something that is vulnerable and has been fixed already.

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