Bump campaign version to 8.0 for latest DCS.

Building IDs changed again. Ack the change in my two campaigns which
don't use these target types.

(cherry picked from commit edbd3de4a4)

resources/campaigns/battle_of_abu_dhabi.json

@@ -7,5 +7,5 @@
   "description": "<p>You have managed to establish a foothold at Khasab. Continue pushing south.</p>",
   "miz": "battle_of_abu_dhabi.miz",
   "performance": 2,
-  "version": "7.0"
+  "version": "8.0"
 }

resources/campaigns/black_sea.json

@@ -5,5 +5,5 @@
   "description": "<p>A medium sized theater with bases along the coast of the Black Sea.</p>",
   "miz": "black_sea.miz",
   "performance": 2,
-  "version": "7.0"
+  "version": "8.0"
 }