Check if JUnit report SHA artifact exists before download attempt to prevent error annotation

Author: Donnerbart

checkout-junit-reports/action.yml

@@ -36,12 +36,18 @@ inputs:
 runs:
   using: composite
   steps:
+    - name: Check if JUnit reports SHA artifact exists
+      id: junit-reports-sha-check
+      uses: lit-Protocol/artifact-exists-action@ff41b0e92208918c585721cbf3e866dfddaf7879 # v0
+      with:
+        name: ${{ inputs.artifact-name }}
+
     - name: Download JUnit reports SHA artifact
+      if: ${{ steps.junit-reports-sha-check.outputs.exists == 'true' }}
       uses: actions/download-artifact@d3f86a106a0bac45b974a628896c90dbdf5c8093 # v4
       with:
         name: ${{ inputs.artifact-name }}
         path: ${{ inputs.artifact-path }}
-      continue-on-error: true
 
     - name: Check JUnit reports SHA
       id: junit-reports-sha