Bump sizes a bit

Author: henrymercer

.github/sizeup.yml

@@ -8,19 +8,19 @@ commenting:
 sizeup:
   categories:
     - name: extra small
-      lte: 10
+      lte: 25
       label:
         name: XS
         description: Should be very easy to review
         color: 3cbf00
     - name: small
-      lte: 30
+      lte: 100
       label:
         name: S
         description: Should be easy to review
         color: 5d9801
     - name: medium
-      lte: 100
+      lte: 250
       label:
         name: M
         description: Should be of average difficulty to review