Pin isort (#129)

Albrja/mic-5827/Pin isort

Pin isort to 5.13.2
- *Category*: Linting
- *JIRA issue*: https://jira.ihme.washington.edu/browse/MIC-5827

### Changes and notes
<!-- 
Change description – why, what, anything unexplained by the above.
Include guidance to reviewers if changes are complex.
--> 

### Testing
<!--
Details on how code was verified, any unit tests local for the
repo, regression testing, etc. At a minimum, this should include an
integration test for a framework change. Consider: plots, images,
(small) csv file.
-->

Author: albrja

setup.py

@@ -41,7 +41,7 @@
 
     lint_requirements = [
         "black==22.3.0",
-        "isort",
+        "isort==5.13.2",
     ]
 
     setup(