Fixes 67250

[stupiddr]

What does this PR do?

Fixes issues with mine.get and mine.update when using the Redis cache backend

What issues does this PR fix or reference?

#67250

Previous Behavior

salt mine.get does not work using the redis cache with compound or grain targets and mine.update saves data to the redis cache incorrectly

New Behavior

salt mine.get works using the redis cache with compound or grain targets and mine.update saves data correctly

Merge requirements satisfied?

[NOTICE] Bug fixes or features added to Salt require tests.

• Docs
• Changelog - https://docs.saltproject.io/en/master/topics/development/changelog.html
• Tests written/updated

Commits signed with GPG?

No

Please review Salt's Contributing Guide for best practices, including the
PR Guidelines.

See GitHub's page on GPG signing for more information about signing commits with GPG.

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[dwoz]

@stupiddr

This PR is a bugfix and should be opened against 3006.x. We also kindly ask that you add a regression test and changelog entry.

[bdrx312]

Also this and #67125 appear to be duplicates.