feat: wrangler output comment code block

Author: andykenward

__tests__/github/comment.test.ts

@@ -30,7 +30,7 @@ describe('addComment', () => {
         query: MutationAddComment,
         variables: {
           subjectId: 'MDExOlB1bGxSZXF1ZXN0Mjc5MTQ3NDM3',
-          body: '## Cloudflare Pages Deployment\n **Environment:** production \n **Project:** cloudflare-pages-action \n **Built with commit:** mock-github-sha\n **Preview URL:** https://206e215c.cloudflare-pages-action-a5z.pages.dev \n **Branch Preview URL:** https://unknown-branch.cloudflare-pages-action-a5z.pages.dev \n <details><summary>Wrangler Output:</summary>success</details>'
+          body: '## Cloudflare Pages Deployment\n **Environment:** production \n **Project:** cloudflare-pages-action \n **Built with commit:** mock-github-sha\n **Preview URL:** https://206e215c.cloudflare-pages-action-a5z.pages.dev \n **Branch Preview URL:** https://unknown-branch.cloudflare-pages-action-a5z.pages.dev \n <details><summary>Wrangler Output:</summary>```success```</details>'
         }
       },
       {

dist/index.js

@@ -37,8 +37,8 @@ export const addComment = async (
       deployment.project_name
     } \n **Built with commit:** ${sha}\n **Preview URL:** ${
       deployment.url
-    } \n **Branch Preview URL:** ${getCloudflareDeploymentAlias(deployment)} \n <details><summary>Wrangler Output:</summary>${output}</details>`
-    // TODO: improve output
+    } \n **Branch Preview URL:** ${getCloudflareDeploymentAlias(deployment)} \n <details><summary>Wrangler Output:</summary>\`\`\`${output}\`\`\`</details>`
+
     const comment = await request({
       query: MutationAddComment,
       variables: {