[WIP] memory limit to a parsl worker in HPCExecutor

[minxu74]

Description

Checklist

Please confirm that this pull request has done the following:

• Tests added
• Documentation added (where applicable)
• Changelog item added to changelog/

[codecov]

Codecov Report

❌ Patch coverage is 71.42857% with 4 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...ckages/climate-ref/src/climate_ref/executor/hpc.py	71.42%	4 Missing ⚠️

Files with missing lines	Coverage Δ
...ckages/climate-ref/src/climate_ref/executor/hpc.py	62.67% <71.42%> (+0.24%)	⬆️

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