feat: use download-artifact instead of manually downloading it

This should hopefully work on private repos too!

action.yml

@@ -144,14 +144,14 @@ runs:
 
         echo "run-id=$run_id" >> "$GITHUB_OUTPUT"
         log Would try to download "$ARTIFACT_NAME" from "$run_id"
-    # - name: Download previous report
-    #   uses: https://git.salame.cl/actions/download-artifact@d8d0a99033603453ad2255e58720b460a0555e1e # v4
-    #   # Ensure the previous step succeeded
-    #   if: steps.previous-report.outcome == 'success'
-    #   with:
-    #     name: ${{ inputs.artifact-name }}
-    #     github-token: ${{ inputs.github-token }}
-    #     run-id: ${{ steps.previous-report.outputs.run-id }}
+    - name: Download previous report
+      uses: https://git.salame.cl/actions/download-artifact@d8d0a99033603453ad2255e58720b460a0555e1e # v4
+      # Ensure the previous step succeeded
+      if: steps.previous-report.outcome == 'success'
+      with:
+        name: ${{ inputs.artifact-name }}
+        github-token: ${{ inputs.github-token }}
+        run-id: ${{ steps.previous-report.outputs.run-id }}
     - name: Create report
       if: inputs.comment-on-pr == 'true' || inputs.generate-artifact == 'true'
       env:
@@ -201,11 +201,3 @@ runs:
       with:
         path: report.json
         name: ${{ inputs.artifact-name }}
-    - name: Download previous report
-      uses: https://git.salame.cl/actions/download-artifact@d8d0a99033603453ad2255e58720b460a0555e1e # v4
-      # Ensure the previous step succeeded
-      # if: steps.previous-report.outcome == 'success'
-      with:
-        name: ${{ inputs.artifact-name }}
-        # github-token: ${{ inputs.github-token }}
-        # run-id: ${{ steps.previous-report.outputs.run-id }}