OSC NA 2024: session time changes & Capture the Flag start time change

[kaimmej]

Description

Changed the times of 4 sessions to be consistent with the events schedule. Changed the start time of the capture the flag event

Issues Resolved

#3328

Check List

• [x] Commits are signed per the DCO using --signoff

By submitting this pull request, I confirm that my contribution is made under the terms of the BSD-3-Clause License.

[pajuric]

Thank you @kaimmej