Merge branch 'overlay/CI' into 'master'

Update the Overlay CI reference

See merge request atlas/athena!22835

Tools/PROCTools/python/RunTier0TestsTools.py

@@ -24,7 +24,7 @@ ciRefFileMap = {
                 's3126-22.0'           : 'v4',
                 # OverlayTier0Test_required-test
                 'overlay-d1498-21.0'   : 'v2',
-                'overlay-d1498-22.0'   : 'v14',
+                'overlay-d1498-22.0'   : 'v15',
                 'overlay-bkg-21.0'     : 'v1',
                 'overlay-bkg-22.0'     : 'v1',
                }