Rename to PYPI_API_TOKEN (#52)

* add RELEASE_PROCESS.md

* add publish-to-pypi worflow

* fix commands

* Rename to PYPI_API_TOKEN

Author: rtg0795

.github/workflows/publish-to-pypi.yml

@@ -39,5 +39,5 @@ jobs:
         if: startsWith(github.ref, 'refs/tags')
         uses: pypa/gh-action-pypi-publish@release/v1
         with:
-          password: ${{ secrets.PYPI_API_TOKEN_HUB }}
-          verbose: true
+          password: ${{ secrets.PYPI_API_TOKEN }}
+          verbose: true