Full error text:
fatal: unable to access \'https://github.com/Repository_name\': schannel: failed to open CA file \'C:/Users/Username/AppData/Local/GitHubDesktop/ap
Remove this entry from the file
[http]
sslCAInfo = C:/Program Files/Git/mingw64/ssl/certs/ca-bundle.crt
Save and close file. Try to push again, it works!
Reference:
fatal: unable to access curl-ca-bundle.crt #4836
After restarting my client following a desktop client update prompt, I can no longer Fetch Origin #4817