This task uploads the package to [pub][]. It's enabled by calling
[`pkg.addPubTasks()`][].

[pub]: https://pub.dev
[`pkg.addPubTasks()`]: https://pub.dev/documentation/cli_pkg/latest/cli_pkg/addPubTasks.html

## `pkg-pub-deploy`

Uses configuration: [`pkg.pubCredentials`][]

[`pkg.pubCredentials`]: https://pub.dev/documentation/cli_pkg/latest/cli_pkg/pubCredentials.html

Releases the package to pub.
