fix: tar bundle error on mac silicon

[ebuildy]

Summary

tar -cvzf command creates ._ files to store extended attributes. You need to tell tar to remove the metadata by setting COPYFILE_DISABLE

So run COPYFILE_DISABLE=1 tar -cvzf to make tar file to upload as plugin.

Ticket Link

mattermost/mattermost#22614

[mattermost-build]

Hello @ebuildy,

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[BenCookie95]

@ebuildy Thanks for the contribution, looks like you need to sign our CLA before the pipeline will run

[mattermost-build]

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