Replace abandoned package for Ubuntu 22

[grandmotivator]

https://github.com/olipo186/Git-Auto-Deploy to https://github.com/adnanh/webhook

Since the first package is not supported in Ubuntu 22, perhaps replacing it in a similar package would be the right solution.

The new solution should perform the same functions: https://github.com/opensourcewebsite-org/osw-devops/blob/master/salt/gitautodeploy/files/git-auto-deploy-opensourcewebsite.org.conf.json