Preserve cube attribute global vs local when concatenating

[bouweandela]

Description

Preserve cube attribute global vs local as well as possible in esmvalcore.preprocessor.concatenate. See iris.cube.CubeAttrsDict for more information.

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[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.62%. Comparing base (1da5bbc) to head (8262ec2).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #2449 +/- ## ======================================= Coverage 94.61% 94.62% ======================================= Files 246 246 Lines 14048 14055 +7 ======================================= + Hits 13292 13299 +7 Misses 756 756 ```

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[katjaweigel]

Looks good, thanks! A short test version of recipe_martin18grl.yml (renamed because git does not like yml) runs with this branch of the core but not with v2.11.x recipe_martin18grl_yml_test.txt

[bouweandela]

@ehogan @chrisbillowsMO It might be nice to include this in the v2.11 release if possible.

[chrisbillowsMO]

@ehogan @chrisbillowsMO It might be nice to include this in the v2.11 release if possible.

Nice is our speciality! Cherry picked in here!