bump gh action

Author: sfc-gh-mkeller

.github/workflows/create_req_files.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
     steps:
       - uses: actions/checkout@v3
       - name: Set up Python
@@ -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: ${{ env.requirements_file }}
 
   push-files:
     needs: create-req-files
@@ -50,10 +51,10 @@ jobs:
         with:
           token: ${{ secrets.PAT }}
       - name: Download requirement files
-        uses: actions/download-artifact@v3
+        uses: actions/download-artifact@v4
         with:
-          name: artifact
-          path: tested_requirements
+          pattern: tested_requirement-py*
+          merge-multiple: true
       - name: Commit and push new requirements files
         run: |
           git config user.name github-actions