ENH: Add notebook run GitHub Actions workflow file

Add notebook run GitHub Actions workflow file.

Left behind by the Carpentries Workbench infrastructure automated
transition tool in commits 68f7777, 977f605 and c64f03a.

.github/workflows/build_and_run_notebooks.yml

@@ -0,0 +1,54 @@
+name: Run-Notebooks
+
+# Workflow Details
+# Set up notebook 
+
+on:
+  push:
+    branches: main
+    paths: '*.ipynb'
+  pull_request:
+    branches: main
+    paths: '*.ipynb'
+
+jobs:
+  test-notebooks:
+    if: "!contains(github.event.head_commit.message, '[skip ci]')"
+    name: Checkout repo and download data
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ['3.8', '3.9', '3.10', '3.11']
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Cache pip install
+        uses: actions/cache@v4
+        id: cache
+        with:
+          path: ${{ env.pythonLocation }}
+          key: ${{ env.pythonLocation }}-${{ hashFiles('requirements.txt') }}
+          restore-keys: |
+            ${{ env.pythonLocation }}-
+
+      - name: Install python environment
+        if: steps.cache.outputs.cache-hit != 'true'
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install nbval pytest
+
+       
+      - name: Download data
+        run: |
+          ./code/setup_test
+
+      - name: Test notebooks
+        run: |
+          pytest --nbval-lax -v code/*solutions*.ipynb