Inject logs into module on failure to invoke reducer

[kazimuth]

Description of Changes

Addresses https://www.notion.so/clockworklabs/Print-in-module-logs-when-calling-a-reducer-with-wrong-arguments-8a25d6dd90be443d92d848bbca7c1862
Took me a few days to figure out the plumbing, but once I got it it was quite simple.

This produces logs like so:

$ spacetime logs 93dda09db9a56d8fa6c024d843e805d8
 INFO: src\lib.rs:11: initiating
ERROR: external: External attempt to call reducer "add" failed, invalid arguments.
This is likely due to a mismatched client schema, have you run `spacetime generate` recently?

Side comments

While testing, I was using a small generated Rust client module. Should I check that in as a test? I noticed there aren't currently any generated Rust clients in test/, not sure if we're keeping that out of the test surface for now.

I also noticed that the Rust client SDK mostly silently swallows errors. E.g. a reducer called from out-of-date generated client code doesn't produce an error, also attempting to iterate a table with an out-of-date generated schema silently fails and iterates nothing. There is a little bit of stuff in the logs though if you configure a logger. I guess I should create separate issues for these problems?