Fix ingestion pagination for jira / zendesk

[aralyekta]

Description

• Fix ingestion pagination for jira / zendesk / confluence
• Add direct message support for slack (instructions below)
• Add scripts to populate zendesk/jira/confluence (hardcoded to integrations belonging to slug gurubase)

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves existing functionality)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Other (please describe):

How Has This Been Tested?

Screenshots (if applicable)

Checklist

• I have performed a self-review of my own code
• I have made corresponding changes to the documentation and updated the README.md
• I have tested my changes in different environments (Cloud and Self-hosted)

Related Issues (If applicable)

Manual Actions on Deployment (If applicable)

Cloud

Self-hosted

Additional Notes