replaced the github actions with a new version

.github/workflows/build.yml

@@ -0,0 +1,23 @@
+name: Build
+on: [push, pull_request]
+
+jobs:
+  build:
+    if: github.event_name == 'push' && !startsWith(github.event.ref, 'refs/tags')
+    runs-on: ubuntu-20.04
+    strategy:
+      matrix:
+        python-version: [3.6, 3.7, 3.8, 3.9, pypy3]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install Ubuntu packages
+        run: >-
+          sudo apt install libidn2-dev;
+      - name: Test
+        run: >-
+          python setup.py test

.github/workflows/deploy.yml

@@ -0,0 +1,23 @@
+name: Deploy
+on:
+  release:
+    types: [published]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Set up Python 3.8
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.8
+      - name: Build a source tarball
+        run: >-
+          python -m pip install --user --upgrade setuptools;
+          python setup.py sdist;
+      - name: Publish distribution 📦 to PyPI
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          password: ${{ secrets.pypi_password }}