Restore optional.yml

Author: loicdiridollou

.github/workflows/optional.yml

@@ -0,0 +1,56 @@
+name: "Optional"
+
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+
+jobs:
+  nightly:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install project dependencies
+        uses: ./.github/setup
+        with:
+          os: ubuntu-latest
+          python-version: "3.11"
+
+      - name: Run pytest (against pandas nightly)
+        run: poetry run poe pytest --nightly
+
+  mypy_nightly:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install project dependencies
+        uses: ./.github/setup
+        with:
+          os: ubuntu-latest
+          python-version: "3.11"
+
+      - name: Run mypy tests with mypy nightly
+        run: poetry run poe mypy --mypy_nightly
+
+  pyright_strict:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install project dependencies
+        uses: ./.github/setup
+        with:
+          os: ubuntu-latest
+          python-version: "3.11"
+
+      - name: Run pyright tests with full strict mode
+        run: poetry run poe pyright_strict