Running `scap deploy-promote` fails on attempting a `git push` of the wikiversions patch:
Trace:
```lines=10
19:19:07 Unhandled error:
Traceback (most recent call last):
File "/home/brennen/scap-checkout/scap/cli.py", line 418, in run
exit_status = app.main(app.extra_arguments)
File "/home/brennen/scap-checkout/scap/deploy_promote.py", line 103, in main
exit_status = app.main(app.extra_arguments) [0/1864]
File "/home/brennen/scap-checkout/scap/deploy_promote.py", line 103, in main
self._update_versions()
File "/home/brennen/scap-checkout/scap/deploy_promote.py", line 150, in _update_versions
self._create_version_update_patch()
File "/home/brennen/scap-checkout/scap/deploy_promote.py", line 157, in _create_version_update_patch
self._push_patch()
File "/home/brennen/scap-checkout/scap/deploy_promote.py", line 185, in _push_patch
gitcmd("push", "origin", "HEAD:%s" % self._get_git_push_dest())
File "/home/brennen/scap-checkout/scap/runcmd.py", line 91, in gitcmd
return _runcmd(["git", subcommand] + list(args), **kwargs)
File "/home/brennen/scap-checkout/scap/runcmd.py", line 78, in _runcmd
raise FailedCommand(argv, p.returncode, stdout, stderr)
scap.runcmd.FailedCommand: Command 'git push origin HEAD:refs/for/master%topic=1.39.0-wmf.4,l=Code-Review+2' failed with exit code 128;
stdout:
stderr:
Received disconnect from 2620:0:861:2:208:80:154:137 port 29418:2: Too many authentication failures: 7
Disconnected from 2620:0:861:2:208:80:154:137 port 29418
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
19:19:07 deploy-promote failed: <FailedCommand> Command 'git push origin HEAD:refs/for/master%topic=1.39.0-wmf.4,l=Code-Review+2' failed with exit code 128;
stdout:
stderr:
Received disconnect from 2620:0:861:2:208:80:154:137 port 29418:2: Too many authentication failures: 7
Disconnected from 2620:0:861:2:208:80:154:137 port 29418
fatal: Could not read from remote repository.
Please make sure you have the correct access rights
and the repository exists.
19:19:07 brennen@deploy1002 /srv/mediawiki-staging (master u+1) $ which scap
/home/brennen/scap-checkout/bin/scap
```