cmd/trace: show end stack traces [1.23 backport]

[gopherbot]

@felixge requested issue #70570 to be considered for backport to the next 1.23 minor release.

@gopherbot please consider this for backport to 1.23, it’s a regression.

[gopherbot]

Change https://go.dev/cl/632075 mentions this issue: [release-branch.go1.23] cmd/trace: also show end stack traces

[gopherbot]

Closed by merging CL 632075 (commit 5164a86) to release-branch.go1.23.