add summer hours for Alumni Hall

Author: hawkrives

data/building-hours/8-alh.yaml

@@ -5,7 +5,7 @@ category: Academia
 schedule:
   - title: Hours
     hours:
-      - {days: [Mo, Tu, We, Th, Fr], from: '7:00am', to: '5:00pm'}
+      - {days: [Mo, Tu, We, Th, Fr], from: '7:00am', to: '4:30pm'}
 
 breakSchedule:
   fall: []