Configure dependabot to auto upgrade dependencies for datafusion-cli

[Jefffrey]

Is your feature request related to a problem or challenge?

Dependabot currently doesn't raise PR to auto update dependencies for datafusion-cli. Some of the dependencies are old, such as rustyline:

https://github.com/apache/arrow-datafusion/blob/b54adb36b855f198b5098fdb3e4cdf1934818efd/datafusion-cli/Cargo.toml#L56C1-L56C10

Where currently latest is 14.0.0: https://crates.io/crates/rustyline

Describe the solution you'd like

Update yaml here:

https://github.com/apache/arrow-datafusion/blob/b54adb36b855f198b5098fdb3e4cdf1934818efd/.github/dependabot.yml#L18-L36

Describe alternatives you've considered

No response

Additional context

Currently blocks arrow-ballista from upgrading some of its dependencies it seems:

apache/datafusion-ballista#992