Revert isort update (#253)

Revert isort update

Revert changes caused by isort version update
- *Category*: Format
- *JIRA issue*: https://jira.ihme.washington.edu/browse/MIC-XYZ

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

### Testing
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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,
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CHANGELOG.rst

@@ -1,3 +1,7 @@
+**2.1.3 - 02/03/25**
+
+  - Revert change caused by isort version
+
 **2.1.2 - 01/31/25**
 
   - Linting  

setup.py

@@ -33,7 +33,7 @@
 
     setup_requires = ["setuptools_scm"]
 
-    lint_requirements = ["black==22.3.0", "isort"]
+    lint_requirements = ["black==22.3.0", "isort==5.13.2"]
 
     test_requirements = [
         "pytest",

src/vivarium_cluster_tools/psimulate/runner.py

@@ -29,9 +29,7 @@
     redis_dbs,
 )
 from vivarium_cluster_tools.psimulate import results as psim_results
-from vivarium_cluster_tools.psimulate import (
-    worker,
-)
+from vivarium_cluster_tools.psimulate import worker
 from vivarium_cluster_tools.psimulate.paths import OutputPaths
 from vivarium_cluster_tools.psimulate.performance_logger import (
     append_perf_data_to_central_logs,