AtlasBuildScripts: fix externals cleanup after build failure

Remove the set -e in the externals build script when running in the CI. Otherwise the script would never reach the final cleanup stage on build failures that was implemented in !52479 (merged).

Relates to ATLINFR-4561.

added alsoTargeting:22.0 label

This merge request affects 1 package:

• Build

This merge request affects 1 file:

• Build/AtlasBuildScripts/build_project_externals.sh

Adding @akraszna as watcher

added Build master review-pending-level-1 labels

Yeah, let's go forward with this.

added review-approved label and removed review-pending-level-1 label

CI Result SUCCESS (hash 5100d51b)

	Athena	AthSimulation	AthGeneration	AnalysisBase	AthAnalysis	DetCommon
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
AthGeneration: number of compilation errors 0, warnings 0
AnalysisBase: number of compilation errors 0, warnings 0
AthAnalysis: number of compilation errors 0, warnings 0
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 53045]

merged

mentioned in commit 24579d3b

added sweep:done label

picked the changes into the branch cherry-pick-24579d3bdbf-22.0 with commit 1bbc5f06

mentioned in commit 1bbc5f06

mentioned in merge request !53702 (merged)

Sweep summary
successful:

• 22.0

(see https://aiatlas154.cern.ch/jenkins/job/auto_git_sweeps/2665/console for details)

mentioned in commit a42421eb