update bitcoin conference times

data/23/events/bitcoin-prague/index.toml

@@ -18,16 +18,16 @@ hidden = true
 
 [[segments]]
 date = "2023-06-08"
-times = "09:00-20:00"
+times = "07:30-20:00"
 ecap = 500
 title = "Industry Day"
 
 [[segments]]
 date = "2023-06-09"
-times = "09:00-19:00"
+times = "07:30-19:00"
 ecap = 10000
 
 [[segments]]
 date = "2023-06-10"
-times = "09:00-19:00"
+times = "07:30-19:00"
 ecap = 10000