Reconsider default behavior around events

[kachick]

What

Extracted from #771 (comment)

I think adding it only to the wait-list field is a good first step.

I may need to consider the second step, I have misused this action in skip-list.

https://github.com/kachick/irb-power_assert/actions/runs/12515010993/job/34911942968

  release.yml(Push gem to RubyGems.org): [eventName: push][runStatus: COMPLETED][runConclusion: SKIPPED][runURL: https://github.com/kachick/irb-power_assert/actions/runs/12515010984/job/34911937331]
  release.yml(Push gem to RubyGems.org): [eventName: push][runStatus: IN_PROGRESS][runConclusion: (null)][runURL: https://github.com/kachick/irb-power_assert/actions/runs/12515010993/job/34911942968]

How

• Ignore other events by default
• Add new flag for above
• or...?