Renovate: actions/upload-artifact to 6546280 (#369)

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This PR contains the following updates:

| Package | Type | Update | Change |
|---|---|---|---|
|
[actions/upload-artifact](https://togithub.com/actions/upload-artifact)
| action | digest | `5d5d22a` -> `6546280` |

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.github/workflows/paper.yaml

@@ -25,7 +25,7 @@ jobs:
       - name: Upload
 
         # yamllint disable-line rule:line-length
-        uses: actions/upload-artifact@5d5d22a31266ced268874388b861e4b58bb5c2f3 # v4
+        uses: actions/upload-artifact@65462800fd760344b1a7b4382951275a0abb4808 # v4
         with:
           name: paper
           path: paper/paper.pdf