add compression level input

src/upload-inputs.ts

@@ -20,4 +20,9 @@ export interface UploadInputs {
    * Duration after which artifact will expire in days
    */
   retentionDays: number
+
+  /**
+   * The level of compression for Zlib to be applied to the artifact archive.
+   */
+  compressionLevel?: number
 }