Update to 1.21.5/6/7

Author: lowercasebtw

library/src/main/resources/protocol.json

@@ -338,5 +338,17 @@
 	"1.21.4": {
 		"protocol_version": 769,
 		"pack_format": 46
+	},
+	"1.21.5": {
+		"protocol_version": 770,
+		"pack_format": 55
+	},
+	"1.21.6": {
+		"protocol_version": 771,
+		"pack_format": 63
+	},
+	"1.21.7": {
+		"protocol_version": 772,
+		"pack_format": 64
 	}
 }