CI workflow improvements

Signed-off-by: Cristian Le <cristian.le@mpsd.mpg.de>

Author: LecrisUT

.github/codecov.yml

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+codecov:
+  notify:
+    after_n_builds: 4

.github/workflows/ci.yml

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+name: CI
+
+on:
+  workflow_dispatch:
+  pull_request:
+    branches: [ main ]
+  push:
+    branches: [ main ]
+
+permissions:
+  contents: read
+
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  pre-commit:
+    uses: ./.github/workflows/step_pre-commit.yml
+  tests:
+    needs: [ pre-commit ]
+    uses: ./.github/workflows/step_test.yml
+  pass:
+    if: always()
+    needs: [ pre-commit, tests ]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: re-actors/alls-green@release/v1
+        with:
+          jobs: ${{ toJSON(needs) }}

.github/workflows/pre-commit.yml

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+on:
+  workflow_call:
+
+permissions:
+  contents: read
+
+jobs:
+  pre-commit:
+    name: Run pre-commit
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v4
+        with:
+          python-version: 3.x
+      - uses: pre-commit/action@v3.0.0

.github/workflows/step_pre-commit.yml

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+on:
+  workflow_call:
+
+permissions:
+  contents: read
+
+jobs:
+  checks:
+    name: Check 🐍 ${{ matrix.python-version }}
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install hatch
+        run: pip install hatch
+      - name: Test package
+        run: hatch run cov:xml
+      - name: Upload coverage report
+        uses: codecov/codecov-action@v3
+        with:
+          name: python-${{ matrix.python-version }}