Sweeping !53669 from master to 22.0. AtlasBuildScripts: fix externals cleanup after build failure

AtlasBuildScripts: fix externals cleanup after build failure

See merge request !53669 (merged)

added sweep:from master label

Adding original author @fwinkl as watcher.

This merge request affects 1 package:

• Build

This merge request affects 1 file:

• Build/AtlasBuildScripts/build_project_externals.sh

Adding @akraszna as watcher

added 22.0 Build review-pending-level-1 labels

CI Result SUCCESS (hash 1bbc5f06)

	Athena	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
DetCommon: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 53092]

Approving -- L1

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

added review-approved-tier0 label

added review-approved-point1 label

mentioned in commit a42421eb

merged