Add workflows

.github/dependabot.yml

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+version: 2
+updates:
+  - package-ecosystem: "pip" # See documentation for possible values
+    directory: "/" # Location of package manifests
+    schedule:
+      interval: "weekly"

.github/workflows/publish.yml

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+name: Release
+
+on:
+  push:
+    tags:
+      - '*.*.*'
+
+permissions:
+  contents: read
+
+jobs:
+  pypi-publish:
+    name: Upload release to PyPI
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+
+      - name: Install Poetry
+        run: |
+          curl -sSL https://install.python-poetry.org | python - -y
+
+      - name: Update PATH
+        run: echo "$HOME/.local/bin" >> $GITHUB_PATH
+
+      - name: Update Poetry configuration
+        run: poetry config virtualenvs.create false
+
+      - name: Install dependencies
+        run: poetry install --sync --no-interaction
+
+      - name: Package project
+        run: poetry build
+
+      - name: Publish package distributions to PyPI
+        uses: pypa/gh-action-pypi-publish@27b31702a0e7fc50959f5ad993c78deac1bdfc29
+        with:
+            user: __token__
+            password: ${{ secrets.PYPI_API_TOKEN }}

.github/workflows/test.yml

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+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Test
+
+on:
+  workflow_dispatch:
+  push:
+  pull_request:
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: [ "3.12" ]
+        experimental: [ false ]
+        #include:
+        #  - python-version: "3.13"
+        #    experimental: true
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install poetry
+        run: pipx install poetry
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
+          cache: "poetry"
+
+      - name: Install dependencies
+        run: poetry install
+
+      - name: Lint with flake8
+        run: |
+          # stop the build if there are Python syntax errors or undefined names
+          poetry run flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+          poetry run flake8 ./garbanzo --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+      
+