bump gh action

Author: sfc-gh-mkeller

.github/workflows/create_req_files.yml

@@ -37,9 +37,10 @@ jobs:
       - name: Show created req file
         shell: bash
         run: cat ${{ env.requirements_file }}
-      - uses: actions/upload-artifact@v3
+      - uses: actions/upload-artifact@v4
         with:
-          path: temp_requirement
+          name: tested_requirement-py${{ matrix.python-version }}
+          path: tested_requirements
 
   push-files:
     needs: create-req-files
@@ -50,9 +51,9 @@ jobs:
         with:
           token: ${{ secrets.PAT }}
       - name: Download requirement files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
-          name: artifact
+          pattern: tested_requirement-py*
           path: tested_requirements
       - name: Commit and push new requirements files
         run: |