build: add github actions and dependabot

Author: mbdevpl

.github/dependabot.yml

@@ -0,0 +1,16 @@
+version: 2
+updates:
+  - package-ecosystem: github-actions
+    directory: /
+    schedule:
+      interval: monthly
+  - package-ecosystem: pip
+    directory: /
+    schedule:
+      interval: monthly
+    versioning-strategy: increase-if-necessary
+    ignore:
+      - dependency-name: >-
+          *
+        update-types:
+          - version-update:semver-patch

.github/workflows/python.yml

@@ -0,0 +1,26 @@
+name: actions
+
+on:
+  push:
+  pull_request:
+    branches:
+      - $default-branch
+
+jobs:
+  build:
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+        python-version: ['3.11', '3.12']
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - run: pip install -r requirements_ci.txt
+      - run: python -m coverage run --branch --source . -m unittest -v
+      - run: python -m coverage report --show-missing
+      - run: codecov