Fix license in package.json

Correct license entry being ISC instead of MIT in package.json.

CHANGELOG.md

@@ -8,6 +8,7 @@ Version 1.2.1
   ([#229][#229].)
 - Fixed SIGINT being sent twice to Factorio server when interrupted by CTRL+C
   on Linux ([#217][#217].)
+- Fixed package.json incorrectly reporting the license as ISC.
 
 [#217]: https://github.com/clusterio/factorioClusterio/issues/217
 [#229]: https://github.com/clusterio/factorioClusterio/issues/229

package.json

@@ -15,7 +15,7 @@
     "factorio"
   ],
   "author": "Danielv123",
-  "license": "ISC",
+  "license": "MIT",
   "dependencies": {
     "as-table": "^1.0.31",
     "averaged-timeseries": "^1.4.0",