Retune Iron Coast waves, enemy attacks and weapon presentation

mods/iron_coast_mission_3/mod.toml

@@ -1,6 +1,6 @@
 id = "iron_coast_mission_3"
 name = "Iron Coast — Mission 3: Saltworks Convoy"
-version = "1.0.0"
+version = "1.0.1"
 api_version = 1
 description = "Intercept three armored cargo transports through the salt flats, disable their two escorts and destroy the convoy command cruiser. New SD/HD saltworks terrain, cargo sprites and synthesized radio cues."
 content = "content.json"