Update composer.json

composer.json

@@ -8,7 +8,7 @@
         "league/csv": "^9.1",
         "lapinator/ods-php-generator": "^0.0.3"
     },
-    "license": "OTHER",
+    "license": "MPL-2.0",
     "authors": [
         {
             "name": "Skylar Ittner",