Attempt to fix refcache

Author: danielgblanco

content/en/blog/2025/kubecon-eu.md

@@ -168,7 +168,7 @@ Expo Hall. This will be a place for informal chats, meetups, and other
 discussions led by OpenTelemetry community members and maintainers.
 
 For the activity schedule, see the
-[OTel Observatory Calendar](https://calendar.google.com/calendar/u/0/embed?src=c_6b6b343737cc9bbf0393ba40c101d6b017514751e66951c9890d089eedd78a37@group.calendar.google.com&mode=WEEK&dates=20250331/20250406).
+[OTel Observatory Calendar](https://calendar.google.com/calendar/embed?src=c_6b6b343737cc9bbf0393ba40c101d6b017514751e66951c9890d089eedd78a37@group.calendar.google.com&mode=WEEK&dates=20250331/20250406).
 
 Note that the Observatory might show up as "Splunk Activation Booth" on the
 event map.

static/refcache.json

@@ -203,9 +203,9 @@
     "StatusCode": 200,
     "LastSeen": "2025-02-24T16:02:34.66521577Z"
   },
-  "https://calendar.google.com/calendar/u/0/embed": {
+  "https://calendar.google.com/calendar/embed": {
     "StatusCode": 401,
-    "LastSeen": "2025-03-13T10:27:01.731212Z"
+    "LastSeen": "2025-03-14T16:52:06.624588Z"
   },
   "https://calendly.com/euwg-user-feedback-session/end-user-feedback-session": {
     "StatusCode": 200,