chore: bump 'protective' entry for major release 2.0 to come (#299)

diff --git a/package.json b/package.json
index 871efef..0fadc15 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
   "license": "Apache-2.0",
   "engines": {
     "cordovaDependencies": {
-      "2.0.0": {
+      "3.0.0": {
         "cordova": ">100"
       }
     }