misc improvements (#2836)

* misc improvements

* kill proc before destroying subcontainer fs

* version bump

* beta.11

* use bind mount explicitly

* Update sdk/base/lib/Effects.ts

Co-authored-by: Dominion5254 <musashidisciple@proton.me>

---------

Co-authored-by: Dominion5254 <musashidisciple@proton.me>

sdk/base/lib/osBindings/ImageMetadata.ts

@@ -1,3 +1,8 @@
 // This file was generated by [ts-rs](https://github.com/Aleph-Alpha/ts-rs). Do not edit this file manually.
 
-export type ImageMetadata = { workdir: string; user: string }
+export type ImageMetadata = {
+  workdir: string
+  user: string
+  entrypoint: Array<string> | null
+  cmd: Array<string> | null
+}