chore(deps): update dependency @bufbuild/protoc-gen-es to v2.6.0

Author: renovate[bot]

package.json

@@ -102,7 +102,7 @@
   },
   "devDependencies": {
     "@bufbuild/buf": "1.54.0",
-    "@bufbuild/protoc-gen-es": "2.5.1",
+    "@bufbuild/protoc-gen-es": "2.6.0",
     "@playwright/test": "1.52.0",
     "@squonk/eslint-config": "3.0.0",
     "dotenv": "16.5.0",