Changed behavior of retrieving regression results

Non-reference CIs will now download reference
regression results from the most recent successful
reference CI run

.github/workflows/CI.yml

@@ -219,16 +219,16 @@ jobs:
       - name : Find ID of Reference Results
         env:
           GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        # this will search for the last successful execution of CI on main
         run: |
-          run_id=$(gh run list -R ReactionMechanismGenerator/RMG-Py --workflow="Continuous Integration" --branch main --limit 1 --json databaseId --jq '.[0].databaseId')
+          run_id=$(gh run list -R ReactionMechanismGenerator/RMG-Py --workflow="Continuous Integration" --branch main --limit 5 --json databaseId,conclusion --jq 'map(select(.conclusion == "success")) | .[0].databaseId')
           echo "CI_RUN_ID=$run_id" >> $GITHUB_ENV
 
       - name: Retrieve Stable Regression Results
         if: ${{ env.REFERENCE_JOB == 'false' }}
         uses: actions/download-artifact@v4
         with:
-        # this will search for the last successful execution of CI on main and download
-        # the stable regression results
+        # download stable regression results
           run-id: ${{ env.CI_RUN_ID }}
           repository: ReactionMechanismGenerator/RMG-Py
           github-token: ${{ secrets.GITHUB_TOKEN }}