CDRIVER-3953 Replace acceptAPIVersion2 with acceptApiVersion2 (#780)

Author: benjirewis

orchestration_configs/servers/versioned-api-testing.json

@@ -7,6 +7,9 @@
     "logappend": true,
     "journal": true,
     "port": 27017,
-    "setParameter": {"enableTestCommands": 1, "acceptAPIVersion2":  1}
+    "setParameter": {
+      "enableTestCommands": 1,
+      "acceptApiVersion2": 1
+    }
   }
-}
+}

src/libmongoc/tests/json/versioned_api/test-commands-deprecation-errors.json

@@ -6,7 +6,7 @@
       "minServerVersion": "4.9",
       "serverParameters": {
         "enableTestCommands": true,
-        "acceptAPIVersion2": true,
+        "acceptApiVersion2": true,
         "requireApiVersion": false
       }
     }
@@ -71,4 +71,4 @@
       ]
     }
   ]
-}
+}