feat: add support for --locale

[pospisilf]

Before submitting your PR, please review the following checklist:

• CONSIDER adding a new test if your PR resolves an issue.
• DO keep pull requests small so they can be easily reviewed.
• DO make sure tests pass.
• DO make sure any public APIs changes are documented.
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• CHECK continuous integration of main branch is green.
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[pospisilf]

I am sure the main idea here is valid but from some reason it's not working on instance of VS Code executed by ExTester. If command used to run this instance I execute manually then it works fine.

[sonarqubecloud]

Quality Gate passed

Issues
4 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud