Replace dead VAPID key generator link in notification settings (#2421)

web-push-codelab.glitch.me now returns 410 Gone.


Claude-Session: https://claude.ai/code/session_01RXYnyyKfFozG5SmUha9F5a

Co-authored-by: pwastack <22166675+pwastack@users.noreply.github.com>
Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

Author: pwastack

lhc_web/design/defaulttheme/tpl/lhnotifications/opsettings.tpl.php

@@ -10,7 +10,7 @@
 
     <p><?php echo erTranslationClassLhTranslation::getInstance()->getTranslation('notifications/notifications','For more information see')?> <a target="_blank" href="https://developers.google.com/web/fundamentals/push-notifications/display-a-notification">https://developers.google.com/web/fundamentals/push-notifications/display-a-notification</a></p>
 
-    <p><?php echo erTranslationClassLhTranslation::getInstance()->getTranslation('notifications/notifications','You can generate your private and public key here')?> - <a target="_blank" href="https://web-push-codelab.glitch.me">https://web-push-codelab.glitch.me</a></p>
+    <p><?php echo erTranslationClassLhTranslation::getInstance()->getTranslation('notifications/notifications','You can generate your private and public key here')?> - <a target="_blank" href="https://pwastack.com/tools/vapid-key-generator">https://pwastack.com/tools/vapid-key-generator</a></p>
 
     <p><?php echo erTranslationClassLhTranslation::getInstance()->getTranslation('notifications/notifications','Explains were taken from:')?> <a target="_blank" href="https://web-push-book.gauntface.com/demos/notification-examples/">https://web-push-book.gauntface.com/demos/notification-examples/</a></p>
 

lhc_web/design/defaulttheme/tpl/lhnotifications/settings.tpl.php

@@ -10,7 +10,7 @@
 
     <p><?php echo erTranslationClassLhTranslation::getInstance()->getTranslation('notifications/notifications','For more information see')?> <a target="_blank" href="https://developers.google.com/web/fundamentals/push-notifications/display-a-notification">https://developers.google.com/web/fundamentals/push-notifications/display-a-notification</a></p>
 
-    <p><?php echo erTranslationClassLhTranslation::getInstance()->getTranslation('notifications/notifications','You can generate your private and public key here')?> - <a target="_blank" href="https://web-push-codelab.glitch.me">https://web-push-codelab.glitch.me</a></p>
+    <p><?php echo erTranslationClassLhTranslation::getInstance()->getTranslation('notifications/notifications','You can generate your private and public key here')?> - <a target="_blank" href="https://pwastack.com/tools/vapid-key-generator">https://pwastack.com/tools/vapid-key-generator</a></p>
 
     <p><?php echo erTranslationClassLhTranslation::getInstance()->getTranslation('notifications/notifications','Explains were taken from:')?> <a target="_blank" href="https://web-push-book.gauntface.com/demos/notification-examples/">https://web-push-book.gauntface.com/demos/notification-examples/</a></p>