Log pipeline tags size

What does this MR do and why?

Log how many taggings a pipeline has.

Screenshots or screen recordings

Database queries:

Counts:

• https://console.postgres.ai/shared/6ca6d930-700c-4d9c-b3b4-c5be4be708fc
• https://console.postgres.ai/shared/2b071190-1285-45e1-8ce3-78ea6f453d3f

Distinct counts:

• https://console.postgres.ai/shared/67f48696-abaa-4dae-a586-d698b8bd2539
• https://console.postgres.ai/shared/aff3d712-afaa-4c44-aa27-43412150f204

How to set up and validate locally

Numbered steps to set up and validate the change are strongly suggested.

MR acceptance checklist

This checklist encourages us to confirm any changes have been analyzed to reduce risks in quality, performance, reliability, security, and maintainability.

• I have evaluated the MR acceptance checklist for this MR.