separated saving and restoring of cache

.github/workflows/run_tests.yml

@@ -28,13 +28,18 @@ jobs:
           python -m pip install --upgrade pip
           if [ -f requirements.txt ]; then pip install -r requirements.txt; fi
           pip install torch-geometric>=2.5.2
+      - name: Load cache data
+        uses: actions/cache/restore@v4
+        with:
+          path: data
+          key: ${{ runner.os }}-meps-reduced-example-data-v0.1.0
+          restore-keys: |
+            ${{ runner.os }}-meps-reduced-example-data-v0.1.0
       - name: Test with pytest
         run: |
           pytest  -v -s
-      - name: Cache data
-        uses: actions/cache@v4
+      - name: Save cache data
+        uses: actions/cache/save@v4
         with:
           path: data
           key: ${{ runner.os }}-meps-reduced-example-data-v0.1.0
-          restore-keys: |
-            ${{ runner.os }}-meps-reduced-example-data-v0.1.0