Changing auto merge command to merge strategy instead of squash

[a8trejo]

Description

Changing auto merge command to merge strategy instead of squash

Type of change

• Bug fix (non-breaking change which fixes an issue)
• New feature
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Checklist:

• My code follows the patterns of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation

Additional context

Related Issues

Reviewers

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Important

Change auto-merge strategy to 'merge' and update conditions in workflows, with cleanup of temporary files.

• Workflows:
  • Change auto-merge strategy from --squash to --merge in changeset-release.yml.
  • Update condition in marketplace-publish.yml to include workflow_dispatch event.
• Cleanup:
  • Delete .changeset/eighty-nails-peel.md and .changeset/shaggy-moons-dance.md.
  • Remove temp-marketplace-publish.yml.

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