Migrate issue_ related actions to Snowplow

What does this MR do and why?

In &7493 (closed), we instrumented the first set of Redis Counters using Snowplow events in SaaS. This is the second part of the 3rd wave of counters to be instrumented using Snowplow Events. This metric was broken out into its own issue because it is a large change per this comment

• redis_hll_counters.issues_edit.issues_edit_total_unique_counts_monthly

This MR migrates

• type
• description
• assignee
• visibility
• confinetinality

changed actions.

Screenshots or screen recordings

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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.

Related to #365960 (closed)