Updated mediawiki/core Project: mediawiki/extensions/Flow 75cdf1389554c83b961474b9297f5a2b7df7d1d2
Use post time + 1 min for signature edit as well.
Bug: T105484
Change-Id: Ic9365e73d9b46b5d47877d8a2f596e0f222c08d6
(cherry picked from commit cf429d5be5da4989a7d433c5556881259f330efb)