Unable to publish project I've published repeatedly without issue

I'm attempting to publish a new release of the library hosted at  https://github.com/Nordstrom/Java-Utils

Up until today, publishing hasn't been a problem. Now, I get this failure:

```
[ERROR] Failed to execute goal org.apache.maven.plugins:maven-release-plugin:2.5.3:prepare (default-cli) on project java-utils: Unable to commit files
[ERROR] Provider message:
[ERROR] The git-push command failed.
[ERROR] Command output:
[ERROR] fatal: HttpRequestException encountered.
[ERROR] An error occurred while sending the request.
[ERROR] bash: /dev/tty: No such device or address
[ERROR] error: failed to execute prompt script (exit code 1)
[ERROR] fatal: could not read Username for 'https://github.com': No error
```