Added CI step for checking Poetry lock export

.github/workflows/poetry-requirements.yml

@@ -0,0 +1,47 @@
+name: Poetry requirements
+
+on:
+  push:
+    branches:
+      - 'development'
+
+jobs:
+  check_poetry_requirements:
+    name: 'Python ${{ matrix.python-version }}'
+    runs-on: ubuntu-latest
+    timeout-minutes: 10  # Don't run forever when stale
+    strategy:
+      matrix:
+        python-version:
+          - '3.11'
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Cached dependencies & virtualenv
+        uses: actions/cache@v4
+        with:
+          path: |
+            ~/.cache/pypoetry/
+            ~/dsmr-reader/.venv
+          key: dependencies-update-check-${{ hashFiles('poetry.lock') }}
+
+      - name: Export Poetry lock file
+        run: |
+          pip install --upgrade pip poetry
+          poetry self add poetry-plugin-export
+          poetry config virtualenvs.in-project true
+          poetry check
+          poetry run pip install -r 
+          
+          poetry export -f requirements.txt --without-urls --without-hashes --without dev --output poetry-export-base.txt
+          poetry export -f requirements.txt --without-urls --without-hashes --only dev --output poetry-export-dev.txt
+
+      - name: Compare Poetry export with requirements files
+        run: |
+          diff poetry-export-base.txt $GITHUB_WORKSPACE/dsmrreader/provisioning/requirements/base.txt
+          diff poetry-export-dev.txt $GITHUB_WORKSPACE/dsmrreader/provisioning/requirements/dev.txt