chore(ci): automation security updates

[sliedig]

Issue number:

Summary

Changes

Please provide a summary of what's being changed

• introduce codeowners
• introduced MAINTAINERS
• Introduces workflow_origin input in central workflow that extracts PR information, and only run from the base repo. It updates all workflows that handle PR automation (on new PR, on merge, on PR title)
• minor doc updates

User experience

Please share what the user experience looks like before and after this change

Checklist

Please leave checklist items unchecked if they do not apply to your change.

• Meets tenets criteria
• I have performed a self-review of this change
• Changes have been tested
• Changes are documented
• PR title follows conventional commit semantics

Is this a breaking change?

RFC issue number:

Checklist:

• Migration process documented
• Implement warnings (if it can live side by side)

Acknowledgment

By submitting this pull request, I confirm that you can use, modify, copy, and redistribute this contribution, under the terms of your choice.

Disclaimer: We value your time and bandwidth. As such, any pull requests created on non-triaged issues might not be successful.

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[heitorlessa]

Looking

[heitorlessa]

Minor typos, adding as a comment so I can push them after and you can merge right afterwards

[heitorlessa]

<3 really glad you kept it