update actions

Author: chrishavlin

.github/workflows/check-build.yml

@@ -0,0 +1,21 @@
+name: Check Build
+on: pull_request
+
+jobs:
+  twinecheck:
+    name: twinecheck
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.9
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install -U setuptools setuptools_scm wheel twine
+    - name: Build and check
+      run: |
+        python setup.py sdist bdist_wheel
+        twine check dist/*

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

@@ -4,31 +4,26 @@ on:
     tags:
       - 'v*' # Push events to matching v*, i.e. v1.0, v20.15.10
 
-name: Publish Python distributions to PyPI and TestPyPI
+name: Publish distributions to PyPI
 
 jobs:
   build-and-publish:
     name: Build and Publish
-    runs-on: ubuntu-18.04
+    runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@master
-    - name: Set up Python 3.7
+    - name: Set up Python 3.9
       uses: actions/setup-python@v1
       with:
-        python-version: 3.7
-    - name: Install pypa/build
-      run: >-
-          python -m
-          pip install
-          build
-          --user
-    - name: Build source tarball
-      run: >-
-          python -m
-          build
-          --sdist
-          --outdir dist/
-          .
+        python-version: 3.9
+    - name: Install dependencies
+      run: |
+          python -m pip install --upgrade pip
+          python -m pip install build --user
+          python -m pip install twine
+    - name: Build and check source tarball
+      run: |
+          python -m build --sdist --outdir dist/ .
     - name: Publish distribution to PyPI
       if: startsWith(github.ref, 'refs/tags')
       uses: pypa/gh-action-pypi-publish@master