Describe the change
Updated the Dockerfile reference for strelka to use YARA and YARA-Python version 4.3.0.

Motivation and context
This change updates the Dockerfile reference for strelka to use the latest version of YARA and YARA-Python, which includes bug fixes and new features.

Describe testing procedures
I tested the changes by building and running the strelka container, and verifying that YARA and YARA-Python were both using version 4.3.0. I also ran the existing tests and submitted a few files to ensure that the changes did not introduce any new issues.

Sample output
N/A.

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