atlasexternals version update to 1.83

atlasexternals version update to 1.83

enabled an automatic merge when the pipeline for 70c4547f succeeds

This merge request affects 5 packages:

• Projects/AthDataQuality
• Projects/AthDerivation
• Projects/AthSimulation
• Projects/Athena
• Projects/AthenaP1

Affected files list will not be printed in this case

Adding @jchapman ,@akraszna ,@rbianchi as watchers

added 21.6 Build review-pending-level-1 labels

CI Result SUCCESS (hash 70c4547f)

	AthGeneration
externals
cmake
make
tests

Full details available on this CI monitor view. Check the JIRA CI status board for known problems
AthGeneration: number of compilation errors 0, warnings 4
For experts only: Jenkins output [CI-MERGE-REQUEST-GCC62-CC7 2353]

mentioned in commit 0f68ab69

merged