Update talk title for upcoming event

Author: jetzlstorfer

_data/events.yml

@@ -635,7 +635,7 @@
   registrations: ""
   participants: ""
   talks:
-    - title: "Talk title to be announced soon"
+    - title: "Secrets Management - from plaintext to hiding keys in the Swiss Alps"
       speaker: "Markus Adelsberger & Georg Mayrhauser"
       image: "https://media.licdn.com/dms/image/v2/C4E03AQHKADs1R6XXuw/profile-displayphoto-shrink_800_800/profile-displayphoto-shrink_800_800/0/1653720929705?e=1757548800&v=beta&t=vzgx8X9dsz8AztA1wzVPkKW8yPKhK_XzWmyvGHqdR9Q"
     - title: "Open Mic - Share your Cloud Native Journey"