artifact not required

.gitea/workflows/updateRelease.yaml

@@ -12,10 +12,10 @@ on:
         required: true
         type: string
       artifactName: 
-        required: true
+        required: false
         type: string
       fileName: 
-        required: true
+        required: false
         type: string
 jobs:
   UpdateRelease:
@@ -68,7 +68,7 @@ jobs:
               "$GITEA_API_URL/repos/$OWNER/${{ inputs.repo }}/releases/$release_id")
           fi
 
-
+          if [ "${{ inputs.artifactName }}" != "null" ]; then
             artifact_file="./${{ inputs.fileName }}"
             artifact_name=$(basename "$artifact_file")
 
@@ -95,3 +95,4 @@ jobs:
               echo "Artifact file '$artifact_file' not found. Exiting."
               exit 0
             fi
+          fi