Create local conda-store dir for celery beat data files

[soapy1]

Description

Previously, when running docker compose up -d the worker container would have some errors output because it is not able to create it's celery beat file. For example,

$ docker compose up 
. . .
conda-store-worker-1  | [2024-10-19 00:44:41,925: INFO/Beat] beat: Starting...
conda-store-worker-1  | [2024-10-19 00:44:41,952: ERROR/Beat] Removing corrupted schedule file '/.local/share/conda-store/celerybeat-schedule': FileNotFoundError(2, 'No such file or directory')
. . .

conda-store-worker-1  | [2024-10-19 00:44:41,967: WARNING/Beat] FileNotFoundError: [Errno 2] No such file or directory: b'/.local/share/conda-store/celerybeat-schedule.dat'
. . .

This PR creates the missing directory and gives the user permission to it so celery can create it's beat file. Now the output is:

$ docker compose up
. . .
conda-store-worker-1  | [2024-10-19 00:48:24,340: INFO/Beat] beat: Starting...
. . .

Pull request checklist

• [x] Did you test this change locally?
• [x] Did you update the documentation (if required)?
• [x] Did you add/update relevant tests for this change (if required)?

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