OPS Tasks - Fix sleep inside of DAOBot generateRoundGithubIssues()

[idiom-bytes]

checkAndGenerateNextRoundOpsSchedule() => generateRoundGithubIssues()

generateRoundGithubIssues requires an await inside of the forEach loop. Making the forEach async won't work and requires further attention.

A sleep is required here as we generate 27 github issues per cycle, and there is a max of 20() in a short amount of time via API throttling