Update sizes

Author: github-actions[bot]

vcmi-1.6.json

@@ -442,7 +442,7 @@
 			"https://raw.githubusercontent.com/vcmi-mods/portraits-packs/main/screenshots/screen3.png",
 			"https://raw.githubusercontent.com/vcmi-mods/portraits-packs/main/screenshots/screen4.png"
 		],
-		"downloadSize" : 18.601
+		"downloadSize" : 18.6
 	},
 	"heroes-iii-orchestra" : {
 		"mod" : "https://raw.githubusercontent.com/vcmi-mods/heroes-iii-orchestra/vcmi-1.6/Heroes%20III%20Orchestra/mod.json",

vcmi-1.7.json

@@ -443,7 +443,7 @@
 				"https://raw.githubusercontent.com/vcmi-mods/portraits-packs/main/screenshots/screen3.png",
 				"https://raw.githubusercontent.com/vcmi-mods/portraits-packs/main/screenshots/screen4.png"
 			],
-			"downloadSize" : 18.601
+			"downloadSize" : 18.6
 		},
 		"heroes-iii-orchestra" : {
 			"mod" : "https://raw.githubusercontent.com/vcmi-mods/heroes-iii-orchestra/vcmi-1.6/Heroes%20III%20Orchestra/mod.json",