[2.9] Log `runme.sh` execution in integration tests (#79286)

* Log `runme.sh` execution in integration tests (#79263)

* Log `runme.sh` execution in integration tests

This patch adds `set -x` where it's missing in the integration tests.
It also enables `pipefail` in `runme.sh` scripts that use pipes.

* Add a change note for PR #79263

(cherry picked from commit 6674c43edd)

* Delete a bad PR #79263 change note

(cherry picked from commit 9cfb3f73e8)

test/integration/targets/subversion/runme.sh

@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-set -eu
+set -eux -o pipefail
 
 cleanup() {
     echo "Cleanup"

test/integration/targets/tags/runme.sh

@@ -1,9 +1,6 @@
 #!/usr/bin/env bash
 
-set -eu
-
-# Using set -x for this test causes the Shippable console to stop receiving updates and the job to time out for macOS.
-# Once that issue is resolved the set -x option can be added above.
+set -eux -o pipefail
 
 # Run these using en_US.UTF-8 because list-tasks is a user output function and so it tailors its output to the
 # user's locale.  For unicode tags, this means replacing non-ascii chars with "?"