[QA-1515] Update python version for API tests

[konrad-sol]

Main goal of this PR is to check if release-5-lts pipeline works with new templates and env definitions. I need to trigger jobs on PR and on merge.
Only change is just an update of python version in release-5-lts branch.

Description

Related Issue

Motivation and Context

How This Has Been Tested

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)
• Refactoring or add test (improvements in base code or adds test coverage to functionality)

Checklist

• I ensured that the documentation is up to date
• I explained why this PR updates go.mod in detail with reasoning why it's required
• I would like a code coverage CI quality gate exception and have explained why

[github-actions]

API Changes

no api changes detected

[sonarqubecloud]

Quality Gate failed

Failed conditions
8 Security Hotspots
57.9% Coverage on New Code (required ≥ 80%)
C Reliability Rating on New Code (required ≥ A)

See analysis details on SonarQube Cloud

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