ci(pypi_release): Use build --sdist argument to avoid building non-universal whl

Author: matthuisman

.github/workflows/dev_release_esptool_pypi.yml

@@ -36,5 +36,5 @@ jobs:
         python -m pip download esptool==$(python setup.py -V) && echo "Version ${{ github.ref_name }} already published, skipping..." && exit 1
 
         echo "Packaging and publishing new esptool development release: ${{ github.ref_name }}"
-        python -m build
+        python -m build --sdist
         twine upload dist/*

.github/workflows/release_esptool_pypi.yml

@@ -34,6 +34,6 @@ jobs:
           exit 1
         else
           echo "Packaging and publishing new esptool version: ${CURRENT_VERSION}"
-          python -m build
+          python -m build --sdist
           twine upload dist/*
         fi