fix(tools): correct arguments destructuring for prs create

tools/gitea.ts

@@ -104,7 +104,7 @@ async function main() {
             }
           }
         } else if (sub === 'create') {
-          const [,, head, base, title, ...bodyParts] = args;
+          const [, head, base, title, ...bodyParts] = args;
           const body = bodyParts.join(' ') || '';
           if (!head || !base || !title) {
             console.error('Usage: bun tools/gitea.ts prs create <head_branch> <base_branch> <title> [body]');