Add deprecation warnings to micropkg CLI + docs

[merelcht]

Description

Closes #3854

Development notes

• Added deprecation notice to all micropkg CLI commands and at top-level when running kedro
• Added deprecation notice to micropkg docs + CLI docs
• Did not add a deprecation notice at import level of kedro.framework.cli.micropkg, since the only public method safe_extract: https://github.com/kedro-org/kedro/blob/main/kedro/framework/cli/micropkg.py#L393 is a utility method that doesn't contain any kedro specific info.

Developer Certificate of Origin

We need all contributions to comply with the Developer Certificate of Origin (DCO). All commits must be signed off by including a Signed-off-by line in the commit message. See our wiki for guidance.

If your PR is blocked due to unsigned commits, then you must follow the instructions under "Rebase the branch" on the GitHub Checks page for your PR. This will retroactively add the sign-off to all unsigned commits and allow the DCO check to pass.

Checklist

• Read the contributing guidelines
• Signed off each commit with a Developer Certificate of Origin (DCO)
• Opened this PR as a 'Draft Pull Request' if it is work-in-progress
• Updated the documentation to reflect the code changes
• Added a description of this change in the RELEASE.md file
• Added tests to cover my changes
• Checked if this change will affect Kedro-Viz, and if so, communicated that with the Viz team

[lrcouto]

LGTM!