⬆️ Bump Ghost engine

no issue

- The minimum Ghost version is now 1.2.0
- In 1.2.0 we introduced the primary tag feature
- See https://dev.ghost.org/primary-tags

package.json

@@ -4,7 +4,7 @@
     "demo": "https://demo.ghost.io",
     "version": "2.0.2",
     "engines": {
-        "ghost": ">=1.0.0"
+        "ghost": ">=1.2.0"
     },
     "license": "MIT",
     "screenshots": {