You have 3rd party companies which provide such services [0].

I personally just built an automated git push + email that will get sent if I don't stop it every week. Simple, Clean & Free. And my email has been prepaid for ~2 - 3 yrs (and I pay every year so it gets pushed ahead every year).

[0]: https://www.codekeeper.co/ - I don't personally use it. I found it on google.