Output redirects_artifact_path during build-all

Author: cotti

src/tooling/docs-assembler/Cli/RepositoryCommands.cs

@@ -136,6 +136,10 @@ public async Task<int> BuildAll(
 
 		await cloner.WriteLinkRegistrySnapshot(checkoutResult.LinkRegistrySnapshot, ctx);
 
+		var redirectsPath = Path.Combine(assembleContext.OutputDirectory.FullName, "redirects.json");
+		if (File.Exists(redirectsPath))
+			await githubActionsService.SetOutputAsync("redirects_artifact_path", redirectsPath);
+
 		var sitemapBuilder = new SitemapBuilder(navigation.NavigationItems, assembleContext.WriteFileSystem, assembleContext.OutputDirectory);
 		sitemapBuilder.Generate();