Changes based on feedback

Signed-off-by: Andre Wanlin <awanlin@spotify.com>

scripts/plugin-directory-audit.js

@@ -56,8 +56,16 @@ async function main(args) {
     );
 
     const npmPackage = await getNpmPackage(pluginDataYaml.npmPackageName);
+    const modifiedTime = npmPackage.time?.modified;
     const age = getAge(npmPackage.time?.modified);
 
+    if (!modifiedTime || isNaN(age)) {
+      console.warn(
+        `Skipping ${pluginDataYaml.title}: Could not calculate age (Data: ${modifiedTime})`,
+      );
+      continue; // Skip to the next plugin in the loop
+    }
+
     const pluginData = {
       npmPackageName: pluginDataYaml.npmPackageName,
       npmCreated: npmPackage.time?.created,
@@ -93,7 +101,7 @@ async function main(args) {
 
       if (statusChanged) {
         pluginDataYaml.status = newStatus;
-        pluginDataYaml.age = age;
+        pluginDataYaml.staleSince = new Date().toISOString().split('T')[0];
 
         // Write updated YAML back to file
         const yamlContent = yaml.dump(pluginDataYaml, {