AthenaAuditors: add missing zlib dependency for CentOS9

Adding a missing zlib dependency to AthenaAuditors to get the package built on CentOS9 as discussed on ATEAM-839. This is a follow-up to MR !54778 (merged).

Tagging @ssnyder , @akraszna, @nstyles for feedback and info.

assigned to @elmsheus

This merge request affects 1 package:

• Control/AthenaAuditors

This merge request affects 1 file:

• Control/AthenaAuditors/CMakeLists.txt

Adding @ssnyder as watcher

added Core master review-pending-level-1 labels

changed the description

CI Result SUCCESS (hash bfbe6e2c)

	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 55153]

Looks fine, approved
Albert (L1)

removed review-pending-level-1 label

added review-approved label

merged

mentioned in commit 1fec3e64

added sweep:ignore label