feat(purge): Implementation of the purge command

[vg006]

Overview

Fixes #657

This PR aims to implement the purge command as proposed and discussed in the issue.

Commands supported

# Get details of a specific purge job
> harbor schedule purge status <purge_id>

# Stop the purge audit log execution specified by ID
> harbor schedule purge stop <purge_id>

# Get purge job logs
> harbor schedule purge logs <purge_id>

# Get purge jobs' schedule
> harbor schedule purge list

# Get purge jobs results
> harbor schedule purge history

# Create a purge job schedule
> harbor schedule purge create (--cron / -e) <cron_expression>

# Update purge's schedule
> harbor schedule purge update (--cron / -e) <cron_expression>

[codecov]

Codecov Report

❌ Patch coverage is 3.29670% with 88 lines in your changes missing coverage. Please review.
✅ Project coverage is 7.14%. Comparing base (60ad0bd) to head (7573b0e).
⚠️ Report is 82 commits behind head on main.

Files with missing lines	Patch %	Lines
cmd/harbor/root/schedule/purge/history.go	0.00%	20 Missing ⚠️
cmd/harbor/root/schedule/purge/cmd.go	0.00%	15 Missing ⚠️
cmd/harbor/root/schedule/purge/logs.go	0.00%	11 Missing ⚠️
cmd/harbor/root/schedule/purge/status.go	0.00%	11 Missing ⚠️
cmd/harbor/root/schedule/purge/stop.go	0.00%	11 Missing ⚠️
cmd/harbor/root/schedule/purge/create.go	0.00%	7 Missing ⚠️
cmd/harbor/root/schedule/purge/update.go	0.00%	7 Missing ⚠️
cmd/harbor/root/schedule/purge/list.go	0.00%	6 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             main    #658      +/-   ##
=========================================
- Coverage   10.99%   7.14%   -3.85%     
=========================================
  Files         173     268      +95     
  Lines        8671   12938    +4267     
=========================================
- Hits          953     925      -28     
- Misses       7612   11905    +4293     
- Partials      106     108       +2     

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