Double-check biweekly and exception behavior

[tamslo]

2022/05/03 05:23:26 Checking whether to create recurring issues
2022/05/03 05:23:26 Next 2 weekly occurrence for Biweekly w/ Erwin in 2 week(s)
2022/05/03 05:23:26 Applying exception no-biweekly for biweekly-erwin from 2022-04-19 to 2022-04-26
2022/05/03 05:23:26 /builds/tamara.slosarek/phd/.gitlab/recurring_issue_templates/biweekly-erwin.md is due 2022-05-03T14:30:00Z

2022/08/23 05:23:18 Checking whether to create recurring issues
2022/08/23 05:23:18 - Checking /builds/phd-stuff/task-planning/.gitlab/recurring_issue_templates/biweekly-erwin.md
2022/08/23 05:23:18 -- Next 2 weekly occurrence for Biweekly w/ Erwin in 2 week(s)
2022/08/23 05:23:18 -- biweekly-erwin.md was due 2022-08-09T14:30:00+02:00 - creating new issue
2022/08/23 05:23:19 - Checking /builds/phd-stuff/task-planning/.gitlab/recurring_issue_templates/create-backup.md
2022/08/23 05:23:19 -- Applying exception skip-backup for create-backup from 2022-09-01 to 2022-09-01
2022/08/23 05:23:19 -- create-backup.md is due 2022-10-01T07:00:00Z

• Past exceptions should be ignored (end date after today)
• Double-check that next occurrence is in two weeks but still scheduled for today?

[tamslo]

Adapted template that created issue due in one week

[tamslo]

Accounted for skipped occurrences in the past

[tamslo]

Exception definition is a bit confusing; adapted #9 to account for this