Switch to composite action

.github/actions/build-composite/action.yaml

@@ -0,0 +1,31 @@
+runs:
+  using: "composite"
+  steps:
+  - uses: actions/checkout@v4
+  - name: Set up Python 3.12
+    uses: actions/setup-python@v3
+    with:
+      python-version: "3.12"
+
+  - name: Install dependencies
+    run: |
+      curl -sSLO https://pdm-project.org/install-pdm.py
+      curl -sSL https://pdm-project.org/install-pdm.py.sha256 | shasum -a 256 -c -
+      python3 install-pdm.py
+      pdm install
+
+  - name: Lint
+    run: |
+      pdm run black $PROJECT_SRC_REL $PROJECT_SETUP --check
+      pdm run flake8 $PROJECT_SRC_REL $PROJECT_SETUP
+
+  - name: PDM install
+    run: pdm install
+
+  - name: conan install
+    run: |
+      source .venv/bin/activate
+      conan --version
+      conan profile detect
+      conan install --build=missing .
+

.github/workflows/workflow.yaml

@@ -0,0 +1,24 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Algobench
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+env:
+  PROJECT_SRC_REL: "src/algobench"
+  PROJECT_SETUP: "setup.py"
+
+permissions:
+  contents: read
+
+jobs:
+  build_act:
+    runs-on: ubuntu-24.04
+    steps:
+      - name: composite
+        uses: ./.github/actions/build-composite