fix(webhook): fix json

hooks.json

@@ -1,9 +1,12 @@
 [
   {
     "id": "zola-build",
-    "execute-command": "zola",
+    "execute-command": "/bin/sh",
     "command-working-directory": "/app",
-    "pass-arguments-to-command": [{ "source": "string", "name": "build" }],
+    "pass-arguments-to-command": [
+      { "source": "string", "name": "-c" },
+      { "source": "string", "name": "git pull origin main && zola build" }
+    ],
     "trigger-rule": {
       "match": {
         "type": "value",