[MCC-1515603] Python Lib-README Update for Custom Code Collaborators

[dsilaghi-mdsol]

MCC-1515603 - Python Lib-README Update for Custom Code Collaborators

Note: While tracked under the larger MCC-1515603 initiative, this specific PR contains README adjustments and documentation fixes only.

Checklist

• Add proper PR title in format [MCC-1515603] <App> - <Fix Details>
• Add Jira ticket MCC, title and link
• Add summary of changes
• Add reviewers
• ADD LABELS!
• If code is testable, please add/update tests for the code changes. (N/A - Documentation only)
• If changes impact deployment, please update deploy guide. (N/A)

Changes

• Modified readme/README-v1.1.0.md:
  • Updated the Authentication section to detail Custom Code Collaborator capabilities (shared project tokens, owner-only management, and publish concurrency locking).
  • Added troubleshooting guidance for collaborator access failures and publish-lock scenarios.
  • Added the required note regarding the expected 15-20 minute UI delay after a successful publish().
  • Corrected the dry_publish() and publish() validation tables to accurately reflect that authorized collaborators (not just project owners) can publish to a project.

Screen Shots (IF NEEDED)

N/A - Documentation changes only.