Github actions migration

.github/dependabot.yaml

@@ -0,0 +1,6 @@
+version: 2
+updates:
+  - package-ecosystem: "pip"
+    directory: "/"
+    schedule:
+      interval: "daily"

.github/workflows/build-and-release.yml

@@ -0,0 +1,62 @@
+name: build-and-release
+
+on:
+  push:
+    tags:
+      - "**"
+
+jobs:
+  build:
+    name: Build package
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.6"
+          architecture: x64
+      - name: Restoring cache
+        uses: actions/cache@v2
+        with:
+          path: ./venv
+          key: ${{ runner.os }}-python-${{ hashFiles('requirements.txt') }}
+      - name: Create virtual environment
+        run: . scripts/create_venv.sh
+      - name: Build package
+        run: . scripts/build.sh
+      - name: Store build artifacts
+        uses: actions/upload-artifact@v2
+        with:
+          name: stored-package
+          path: dist
+  release:
+    name: Release package
+    runs-on: ubuntu-latest
+    needs:
+      - "build"
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: "3.6"
+          architecture: x64
+      - name: Restoring cache
+        uses: actions/cache@v2
+        with:
+          path: ./venv
+          key: ${{ runner.os }}-python-${{ hashFiles('requirements.txt') }}
+      - name: Create virtual environment
+        run: . scripts/create_venv.sh
+      - name: Init .pypirc
+        env:
+          PYPI_USER: ${{ secrets.PYPI_USER }}
+          PYPI_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
+        run: . scripts/init_pypirc.sh
+      - name: Download a single artifact
+        uses: actions/download-artifact@v2
+        with:
+          name: stored-package
+      - name: Release package
+        run: . scripts/release.sh dist