ci: update GitHub actions CI and add release-please (#104)

Release-As: 0.6.6

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+
+  workflow_dispatch:
+
+jobs:
+  cancel-previous:
+    runs-on: ubuntu-latest
+    if: github.ref != 'refs/heads/main'
+    steps:
+      - uses: khan/pull-request-workflow-cancel@1.0.0
+        with:
+          workflows: "ci.yml"
+        env:
+          GITHUB_TOKEN: '${{ secrets.GITHUB_TOKEN }}'
+
+  testing:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version:
+          - "3.8"
+          - "3.9"
+          - "3.10"
+          - "3.11"
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v2
+
+      - name: Install Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install system dependencies
+        run: |
+          sudo apt install libhts-dev libhts3 libhtscodecs-dev libhtscodecs2 tabix
+          pip install -U pip setuptools
+          pip install -U pytest pytest-cov pytest-vcr
+          pip install -e .
+
+      - name: Run tests
+        run: |
+          pytest

.github/workflows/conventional-prs.yml

@@ -0,0 +1,19 @@
+name: PR
+
+on:
+  pull_request_target:
+    types:
+      - opened
+      - reopened
+      - edited
+      - synchronize
+
+jobs:
+  title-format:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: amannn/action-semantic-pull-request@v3.4.0
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          validateSingleCommit: true

.github/workflows/release-please.yml

@@ -0,0 +1,41 @@
+name: release-please
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+
+      - uses: GoogleCloudPlatform/release-please-action@v2
+        id: release
+        with:
+          release-type: python
+          package-name: biocommons.seqrepo
+
+      - uses: actions/checkout@v2
+        if: ${{ steps.release.outputs.release_created }}
+        with:
+          fetch-depth: 0
+
+      - name: Set up Python
+        if: ${{ steps.release.outputs.release_created }}
+        uses: actions/setup-python@v2
+        with:
+          python-version: '3.x'
+
+      - name: Build package
+        if: ${{ steps.release.outputs.release_created }}
+        run: |
+          python -m pip install --upgrade pip
+          python setup.py sdist
+
+      - name: Publish to PyPI
+        if: ${{ steps.release.outputs.release_created }}
+        uses: pypa/gh-action-pypi-publish@master
+        with:
+          user: __token__
+          password: ${{ secrets.PYPI_TOKEN }}

CHANGELOG.md

@@ -0,0 +1 @@
+# Changelog