fix github action workflow.

.github/workflows/hk0weather.yml

@@ -9,15 +9,13 @@ on:
 jobs:
   hk0weather-tests:
     runs-on: ubuntu-latest
-    env:
-      PYTHON: '3.9'
     steps:
-      - uses: actions/checkout@master
-      - name: Setup python
-        uses: actions/setup-python@master
+      - uses: actions/checkout@v3
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v3
         with:
-          python-version: 3.10
-      - name: Install required python packages
+          python-version: "3.10"
+      - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
           pip install flake8 coverage
@@ -30,18 +28,18 @@ jobs:
           flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
       - name: List available scrapers
         run: |
-          coverage run -m scrapy list
+          coverage run -a -m scrapy list
       - name: Test a scraper of regional weather
         run: |
-          coverage run -m scrapy crawl regional -o regional.csv
+          coverage run -a -m scrapy crawl regional -o regional.csv
         working-directory: hk0weather
       - name: Test a scraper of daily weather forecast
         run: |
-          coverage run -m scrapy crawl hkoforecast -o hkoforecast.csv
+          coverage run -a -m scrapy crawl hkoforecast -o hkoforecast.csv
         working-directory: hk0weather
       - name: Test a scraper of 9-day weather forecast
         run: |
-          coverage run -m scrapy crawl hko9dayforecast -o hko9dayforecast.csv
+          coverage run -a -m scrapy crawl hko9dayforecast -o hko9dayforecast.csv
         working-directory: hk0weather
       - name: Generate coverage json report
         run: |