fix: give the apple iigs rom checks their sizes

emulators/gsplus.yml

@@ -33,6 +33,7 @@ files:
     description: "Apple IIGS system ROM"
     source_ref: "gsplus/src/config.c:136, gsplus/src/config.c:477-480, gsplus/src/config.c:1260-1317"
     note: "Accepted sizes: 32768 (Apple //e), 131072 (ROM 01), 262144 (ROM 03)"
+    size: [32768, 131072, 262144]
     validation: [size]
 
   - name: c600.rom

emulators/kegs.yml

@@ -46,6 +46,7 @@ files:
     aliases: [ROM.01, ROM.03, APPLE2GS.ROM, APPLE2GS.ROM2, xgs.rom, XGS.ROM, Rom03gd, 342-0077-b]
     required: true
     description: "Apple IIGS system ROM"
+    size: [32768, 131072, 262144]
     validation: [size]
     source_ref: "config.c:135,407-410,1096-1161"
     note: >