Bump WikimediaEvents for sendBeacon experiment

Change-Id: I2d680ee1cad71ac820b46116da7fded357d4b6c6
API: Don't use an empty LinkBatch in ApiOpenSearch

Bug: T78074
Change-Id: Ie4609b0867d816375f49190ee2860526b8fd8f3e
Merge "Bump WikimediaEvents for sendBeacon experiment" into wmf/1.25wmf11
Merge "API: Don't use an empty LinkBatch in ApiOpenSearch" into wmf/1.25wmf11