add python test workflow on changes to python scripts or python tests

.github/workflows/python-tests.yml

@@ -0,0 +1,29 @@
+name: Run Python Tests
+
+on:
+  workflow_dispatch:
+  pull_request:
+    paths:
+      - "scripts/**.py"
+      - "tests/**.py"
+  push:
+    paths:
+      - "scripts/**.py"
+      - "tests/**.py"
+
+jobs:
+  unit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: 3.11
+
+      - name: Install dependencies
+        run: pip install semantic-version pytest
+
+      - name: run unit tests
+        id: python-tests
+        run: poetry run pytest tests/