Add pywin32 to the nondeterministic set

Summary:
Observed some mypy primer issues in CI; something is able to cause the error
count to jump between 3248 and 3300

I suspect it's the now-known problem with cycle breaking; probably one connected
component can be solved in two very different ways

Reviewed By: grievejia

Differential Revision: D93299213

fbshipit-source-id: 1ac0fb589fc8bb97e4dd99ec99b624a649156633

Author: stroxler

.github/workflows/mypy_primer.yml

@@ -61,7 +61,7 @@ jobs:
             --new $GITHUB_SHA --old base_commit \
             --num-shards 10 --shard-index ${{ matrix.shard-index }} \
             --debug \
-            --project-selector '^(?!.*(python-attrs/attrs|scipy/scipy|scikit-learn/scikit-learn|pandas-dev/pandas|pandas-dev/pandas-stubs|apache/spark|spack/spack|sympy/sympy|PyCQA/flake8-pyi|Gobot1234/steam\.py|rotki/rotki|enthought/comtypes|pytest-dev/pytest|internetarchive/openlibrary|narwhals-dev/narwhals))' \
+            --project-selector '^(?!.*(python-attrs/attrs|scipy/scipy|scikit-learn/scikit-learn|pandas-dev/pandas|pandas-dev/pandas-stubs|apache/spark|spack/spack|sympy/sympy|PyCQA/flake8-pyi|Gobot1234/steam\.py|rotki/rotki|enthought/comtypes|pytest-dev/pytest|internetarchive/openlibrary|narwhals-dev/narwhals|mhammond/pywin32))' \
             --type-checker pyrefly \
             --output concise \
             | tee diff_${{ matrix.shard-index }}.txt