Update sizes

Author: github-actions[bot]

vcmi-1.6.json

@@ -666,7 +666,7 @@
 			"https://raw.githubusercontent.com/vcmi-mods/third-upgrades/vcmi-1.6/screenshots/screen05.png",
 			"https://raw.githubusercontent.com/vcmi-mods/third-upgrades/vcmi-1.6/screenshots/screen06.png"
 		],
-		"downloadSize" : 71.385
+		"downloadSize" : 74.78
 	},
 	"mighty-heroes-iii" : {
 		"mod" : "https://raw.githubusercontent.com/vcmi-mods/mighty-heroes-iii/vcmi-1.6/mighty-heroes-iii/mod.json",

vcmi-1.7.json

@@ -667,7 +667,7 @@
 				"https://raw.githubusercontent.com/vcmi-mods/third-upgrades/vcmi-1.6/screenshots/screen05.png",
 				"https://raw.githubusercontent.com/vcmi-mods/third-upgrades/vcmi-1.6/screenshots/screen06.png"
 			],
-			"downloadSize" : 71.385
+			"downloadSize" : 74.78
 		},
 		"mighty-heroes-iii" : {
 			"mod" : "https://raw.githubusercontent.com/vcmi-mods/mighty-heroes-iii/vcmi-1.6/mighty-heroes-iii/mod.json",