Update test.yml

Author: oskarhurst

.github/workflows/test.yml

@@ -23,6 +23,16 @@ jobs:
 
       - name: Checkout code
         uses: actions/checkout@v4
+        
+      # On all platforms install the PyPI tzdata distribution
+      # (stdlib zoneinfo will auto‐pick it up; the backport will too)
+      - name: Install tzdata (Python)
+        run: pip install tzdata
+
+      - name: Install runtime dependencies
+        run: |
+          pip install requests
+          pip install numpy
 
       - name: Install requests
         run: pip install requests