chore(deps): update npm to v11.19.0

Author: agntcy-automation[bot]

package.json

@@ -43,7 +43,7 @@
     "pretest:coverage": "npm run build",
     "test:coverage": "vitest run --coverage"
   },
-  "packageManager": "npm@11.18.0",
+  "packageManager": "npm@11.19.0",
   "dependencies": {
     "@buf/agntcy_dir.bufbuild_es": "2.12.0-20260617162622-804385aa416f.1",
     "@bufbuild/protobuf": "^2.12.0",