Update actions/download-artifact digest to cc20338

Author: renovate[bot]

merge-junit-reports/action.yml

@@ -48,7 +48,7 @@ runs:
         delete-merged: ${{ inputs.split-artifact-delete-merged }}
 
     - name: Download JUnit reports artifact
-      uses: actions/download-artifact@fa0a91b85d4f404e444e00e005971372dc801d16 # v4
+      uses: actions/download-artifact@cc203385981b70ca67e1cc392babf9cc229d5806 # v4
       with:
         name: ${{ inputs.artifact-name }}
         path: junit-reports-artifact