chore: add repository url to fix npm OIDC provenance verification

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: tianzhou

package.json

@@ -9,6 +9,10 @@
   "files": [
     "dist/"
   ],
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/pgplex/pgconsole"
+  },
   "publishConfig": {
     "access": "public"
   },