Merge pull request GeodynamicWorldBuilder#844 from MFraters/revert_dependabot_script_change

Revert dependabot github-actions script change to last working version.

Author: MFraters

.github/workflows/post_benchmark_results.yml

@@ -18,7 +18,7 @@ jobs:
       github.event.workflow_run.conclusion == 'success' }}
     steps:
       - name: 'Download artifact'
-        uses: actions/github-script@v7.0.1
+        uses: actions/github-script@v3.1.0
         with:
           script: |
             var artifacts = await github.actions.listWorkflowRunArtifacts({