feat: up compat string for upcoming version of nbb

Author: psychobunny

package.json

@@ -2,7 +2,7 @@
   "name": "nodebb-theme-material",
   "version": "2.13.0",
   "nbbpm": {
-    "compatibility": "^1.12.0"
+    "compatibility": "^1.17.0"
   },
   "description": "Material Design theme for NodeBB",
   "main": "theme.less",