feat: add conduit version

[raulb]

Description

Fixes #2029

./conduit --help
Conduit CLI is a command-line that helps you interact with and manage Conduit.

Usage:
  conduit [flags]
  conduit [command]

Available Commands:
  config      Shows the configuration to be used when running Conduit.
  help        Help about any command
  init        Initialize Conduit with a configuration file and directories.
  pipelines   Initialize and manage pipelines
  version     Show the current version of Conduit.
...

./conduit version
v0.13.0-nightly.20241219-2-g48917b5-dirty darwin/arm64

Quick checks

• I have followed the Code Guidelines.
• There is no other pull request for the same update/change.
• I have written unit tests.
• I have made sure that the PR is of reasonable size and can be easily reviewed.