Update build_strelka_nightly.yml

[ryanohoro]

Describe the change
Include a summary of the change (with required dependencies), any issues it fixes, and relevant motivation and context.

Describe testing procedures
Describe the tests that you ran to verify your changes (including test configurations) and instructions so we can reproduce the tests. To assist in testing, the project maintainers may ask for file samples.

Sample output
If this change modifies Strelka's output, then please include a sample of the output here.

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of and tested my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings