Karakeep uses a specific version of pnpm and will fail to build with other pnpm
versions. Instead of adding this pnpm version to nixpkgs, we override this
requirement.

---
--- a/package.json
+++ b/package.json
@@ -41 +41 @@
-  "packageManager": "pnpm@11.2.1"
+  "packageManager": "pnpm"