update hexo next theme

package.json

@@ -12,7 +12,7 @@
     "version": "6.3.0"
   },
   "dependencies": {
-    "@next-theme/plugins": "^8.15.1",
+    "@next-theme/plugins": "^8.16.0",
     "hexo": "^6.3.0",
     "hexo-abbrlink": "^2.2.1",
     "hexo-deployer-git": "^4.0.0",
@@ -28,12 +28,12 @@
     "hexo-related-popular-posts": "^5.0.1",
     "hexo-related-posts": "^1.5.1",
     "hexo-renderer-ejs": "^2.0.0",
-    "hexo-renderer-pandoc": "^0.3.1",
+    "hexo-renderer-pandoc": "^0.4.0",
     "hexo-renderer-stylus": "^2.1.0",
     "hexo-server": "^3.0.0",
     "hexo-tag-cloud": "2.1.*",
-    "hexo-theme-landscape": "^0.0.3",
-    "hexo-theme-next": "^8.15.1",
+    "hexo-theme-landscape": "^1.0.0",
+    "hexo-theme-next": "^8.16.0",
     "hexo-word-counter": "^0.1.0"
   }
 }