fix: set package author to Stackbilt org identity

Author was personal email, should be admin@stackbilt.dev (org identity).

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: stackbilt-admin

package.json

@@ -2,7 +2,7 @@
   "name": "@stackbilt/llm-providers",
   "version": "1.0.0",
   "description": "Multi-LLM failover with circuit breakers, cost tracking, and intelligent retry. Cloudflare Workers native.",
-  "author": "Kurt Overmier <kurt@stackbilt.dev>",
+  "author": "Stackbilt <admin@stackbilt.dev>",
   "license": "Apache-2.0",
   "repository": {
     "type": "git",