Move the debuginfo extraction into the build_ee job, right after the
main build+push. Since it runs on the same depot runner with a warm
cache, the --target debuginfo step should be a cache hit (no recompile).
The separate attach_ee_debug_to_release job caused a full recompile
on v1.658.0 (~16 min per platform).
The .debug file stays out of the final image (zero image size increase).
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>