Add job for uploading the package (#139)

* Add job for uploading the package

* The upload command also does building

* Update release.yml

Author: nmuesch

.github/workflows/release.yml

@@ -0,0 +1,36 @@
+name: Build
+
+on:
+  pull_request:
+  release:
+    types:
+      - published
+
+jobs:
+  build_wheels:
+    name: Build wheels on ${{ matrix.os }}
+    runs-on: ubuntu-20.04
+    if: github.event_name == 'release' && github.event.action == 'published'
+    steps:
+      - uses: actions/checkout@v2
+        # Include all history and tags, needed for building the right version
+        with:
+          fetch-depth: 0
+
+      - uses: actions/setup-python@v2
+        name: Install Python
+        with:
+          python-version: '3.8'
+
+      - name: Install datadog_checks_dev
+        run: |
+          python -m pip install datadog_checks_dev[cli]
+
+      - name: Set ddev pypi credentials
+        run: |
+          ddev config set pypi.user __token__
+          ddev config set pypi.token ${{ secrets.PYPI_TOKEN }}
+
+      - name: Publish the wheel to PyPI
+        run: |
+          ddev release upload .