plugin-development: fix here too

Author: zml2008

plugin-development/src/functionalTest/resources/org/spongepowered/gradle/plugin/simplebuild/out/sponge_plugins.json

@@ -26,7 +26,7 @@
       "dependencies": [
         {
           "id": "spongeapi",
-          "version": "8.0.0",
+          "version": "8.0.0-SNAPSHOT",
           "load-order": "after",
           "optional": false
         }