Fixes #529 Collect asset URLs into output

src/Outputs.ts

@@ -3,6 +3,7 @@ import { ReleaseData } from "./Releases"
 
 export interface Outputs {
     applyReleaseData(releaseData: ReleaseData): void
+    applyAssetUrls(assetUrls: Record<string, string>): void
 }
 
 export class CoreOutputs implements Outputs {
@@ -13,4 +14,9 @@ export class CoreOutputs implements Outputs {
         core.setOutput("tarball_url", releaseData.tarball_url || "")
         core.setOutput("zipball_url", releaseData.zipball_url || "")
     }
+
+    applyAssetUrls(assetUrls: Record<string, string>) {
+        const assetUrlsJson = JSON.stringify(assetUrls)
+        core.setOutput("assets", assetUrlsJson)
+    }
 }