fix: if no changes dont update

lib/security_blog.js

@@ -14,6 +14,8 @@ import {
 import auth from './auth.js';
 import Request from './request.js';
 
+const kChanged = Symbol('changed');
+
 export default class SecurityBlog {
   repository = NEXT_SECURITY_RELEASE_REPOSITORY;
   req;
@@ -106,6 +108,9 @@ export default class SecurityBlog {
 
     fs.writeFileSync(pathPreRelease, updatedContent);
     cli.ok(`Post-release announcement file updated at ${pathPreRelease}`);
+
+    // if the vulnerabilities.json has been changed, update the file
+    if (!content[kChanged]) return;
     this.updateVulnerabilitiesJSON(content);
   }
 
@@ -225,6 +230,7 @@ export default class SecurityBlog {
           defaultAnswer: 'TBD'
         });
         report.cve_ids = [cveId];
+        content[kChanged] = true;
       }
       template += `\n## ${report.title} (${cveId}) - (${report.severity.rating})\n\n`;
       if (!report.summary) {
@@ -236,6 +242,7 @@ export default class SecurityBlog {
 
         if (fetchIt) {
           report.summary = await getSummary(report.id, this.req);
+          content[kChanged] = true;
         }
 
         if (!report.summary) {