chore(deps): avoid updating dotenv-expand to v6+ (#6936)

Author: patak-dev

.github/renovate.json5

@@ -28,6 +28,7 @@
     "react-router", // `react-router:v6.0.0+` has breaking changes
     "react-router-dom", // `react-router-dom:v6.0.0+` has breaking changes
     "source-map", // `source-map:v0.7.0+` needs more investigation
+    "dotenv-expand", // `dotenv-expand:6.0.0+` has breaking changes (#6858)
 
     // ESM Only => https://gist.github.com/sindresorhus/a39789f98801d908bbc7ff3ecc99d99c#how-can-i-move-my-commonjs-project-to-esm
     "node-fetch",