fix(deps): update dependency solid-headless to v0.12.6

Author: renovate[bot]

package.json

@@ -25,7 +25,7 @@
     "javascript-time-ago": "^2.3.13",
     "sanitize-html": "^2.7.0",
     "solid-app-router": "^0.1.14",
-    "solid-headless": "0.12.2",
+    "solid-headless": "0.12.6",
     "solid-js": "^1.3.17"
   }
 }