(#1088) Upgrade choco-astro to 0.1.2

This upgrades choco-astro to the latest version, 0.1.2. This does not
bring in any features or functionality changes.

Author: st3phhays

package.json

@@ -26,7 +26,7 @@
     "choco-theme": "npx --quiet ts-node --skipIgnore node_modules/choco-theme/build/choco-theme.ts --repository=docs"
   },
   "dependencies": {
-    "choco-astro": "0.1.1",
+    "choco-astro": "0.1.2",
     "choco-theme": "0.8.1"
   }
 }