Add offline DQ metadata trees

Addresses ATLASDQ-726. Removes warnings in DQ histogram merging.

This merge request affects 1 package:

• Control/AthenaMonitoringKernel

Adding @ssnyder as watcher

added Core DQ master review-pending-level-1 labels

CI Result FAILURE (hash d393ae42)

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 7571]

Jenkins please retry a build

This merge request affects 1 package:

• Control/AthenaMonitoringKernel

Adding @ssnyder as watcher

CI Result SUCCESS (hash d393ae42)

	Athena	AthSimulation
externals
cmake
make
required tests
optional tests

Full details available on this CI monitor view
Athena: number of compilation errors 0, warnings 0
AthSimulation: number of compilation errors 0, warnings 0
For experts only: Jenkins output [CI-MERGE-REQUEST-CC7 7584]

Looks OK, approving.

Tadej (L2)

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

merged

mentioned in commit a67cf8d6

added sweep:ignore label