Add logic to determine trigger or not based on other configuration than onCommit.

[pipecd-bot]

https://github.com/pipe-cd/pipe/blob/8dffc8dde1ce421ecde90d24f915b6589f3b63db/pkg/app/piped/trigger/determiner.go#L64-L67

This was created by todo plugin since "TODO:" was found in 8dffc8d when #2714 was merged. cc: @khanhtc1202.