docs(hacking): add link to podman vfs optimization

Author: thewtex

docs/development/hacking_itk_wasm.md

@@ -68,6 +68,7 @@ To prevent Git repository bloat, we add testing data through [CMake content link
 ## Build environment Docker images
 
 Builds of the [wasm build environment Docker images](../introduction/parts.md#docker) or WebAssembly modules require [Podman](https://podman.io/docs/installation).
+*Note*: on Linux, ensure the [`vfs` podman storage driver is not used for best performance](https://github.com/containers/podman/issues/13226#issuecomment-1555872420).
 
 To pull the `latest` the build environment Docker images,