docs(maintainers): add cicd pipeline diagram

[heitorlessa]

Issue number: #2203

Summary

Add diagram combining our CI and CD pipelines into one image.

Addresses another OSSF recommendation

Changes

Please provide a summary of what's being changed

Unrelated changes:

• enable OSSF Scorecard manual trigger so we don't wait until the next day for feedback
• lower analytics permission with after using fine-grained PAT

User experience

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

Checklist

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• Meet 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

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