fix: move docker buildx before goreleaser

[kasulani]

Description

Move docker buildx before goreleaser

Issue Link

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation update
• Code refactoring
• Database schema change (migration required)
• Performance optimization
• CI/CD or workflow changes
• Other (please describe):

Quality Assurance Checklist

• I have reviewed my own code before requesting review
• All quality checks pass locally (make check)
• I have added/updated tests for the changes
• Database migrations include proper rollback (if applicable)
• Zero-config Docker deployment still works (make deploy)
• OpenLineage compliance verified (for ingestion changes)
• Performance impact assessed (<5 minute correlation target maintained)
• Documentation updated where necessary
• Changes follow conventional commits format

Additional Notes