gh-140920: remove incorrect mentions to `concurrent.futures.interpreter.ExecutionFailed` (#141723)

Remove documentation for inexistant `concurrent.futures.interpreter.ExecutionFailed`
and replace its occurrences by `concurrent.interpreters.ExecutionFailed` since this
is the documented exception.

Lakshya Upadhyaya committed 3mo ago

c5215978ebfea9471f313d5baa70a4e68bfb798b

Parent: 3c4429f

Committed by GitHub <noreply@github.com> on 12/31/2025, 8:45:41 PM