ci: fix translation pipeline

[saw-jan]

Description

Download tx command into a subdir to avoid file exists error.

tar: can't open 'LICENSE': File exists
  0 4173k    0 27399    0     0  59164      0  0:01:12 --:--:--  0:01:12 59164
curl: (23) Failure writing output to destination, passed 1378 returned 0

Related Issue

• Fixes [CI] Failing translation-sync pipeline #2008

Motivation and Context

How Has This Been Tested?

• test environment:

Screenshots (if appropriate):

Types of changes

• 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 change)
• Technical debt
• Tests only (no source changes)

Checklist:

• Code changes
• Unit tests added
• Acceptance tests added
• Documentation added