Merge branch 'c-shared-library' of github-other.com:lithomas1/pandas into c-shared-library

Author: lithomas1

.github/actions/build_pandas/action.yml

@@ -16,5 +16,4 @@ runs:
         python -m pip install -e . --no-build-isolation --no-use-pep517 --no-index
       shell: bash -el {0}
       env:
-        # Cannot use parallel compilation on Windows, see https://github.com/pandas-dev/pandas/issues/30873
-        N_JOBS: ${{ runner.os == 'Windows' && 1 || 2 }}
+        N_JOBS: 4