update speaker info

Author: jetzlstorfer

_data/events.yml

@@ -148,8 +148,8 @@
     - title: "The 1001 serverless options of Microsoft Azure"
       speaker: "Philipp Weckerle"
       recording: "https://www.youtube.com/watch?v=81Tg--7GIFI"
-    - title: "[canceled] Cloud-native delivery with Keptn"
-      speaker: "[canceled] Jürgen Etzlstorfer"
+    - title: "How OpenTelemetry is currently used at my company"
+      speaker: "Juliano Costa"
 
 - id: 12
   title: "12. Cloud Native Computing Linz Meetup"
@@ -169,8 +169,8 @@
   date: "2022-03-30"
   host: "smec"
   event_link: "https://www.meetup.com/cloud-native-computing-linz/events/284662219/"
-  registrations: "20 (combined)"
-  participants: ""
+  registrations: ""
+  participants: "20"
   talks:
     - title: "Java on Azure"
       speaker: "Ed Burns"
@@ -181,8 +181,8 @@
   date: "2022-04-19"
   host: "hello again"
   event_link: "https://www.meetup.com/cloud-native-computing-linz/events/284847987/"
-  registrations: 23
-  participants: ""
+  registrations: ""
+  participants: "23"
   talks:
     - title: "The art of scaling without scaling your DevOps-Team"
       speaker: "Michael Schöndorfer"
@@ -194,8 +194,8 @@
   date: "2022-05-31"
   host: "netcetera"
   event_link: "https://www.meetup.com/cloud-native-computing-linz/events/285775843/"
-  registrations: 20
-  participants: ""
+  registrations: ""
+  participants: "20"
   talks:
     - title: "How deploying feature branches opened the door to more scalability"
       speaker: "Markus Adelsberger"
@@ -207,8 +207,8 @@
   date: "2022-06-28"
   host: "Dynatrace"
   event_link: "https://www.meetup.com/cloud-native-computing-linz/events/286504906/"
-  registrations: 17
-  participants: ""
+  registrations: ""
+  participants: "17"
   talks:
     - title: "Policy as Code - an introduction to Open Policy Agent"
       speaker: "Anders Eknert"
@@ -220,8 +220,8 @@
   date: "2022-10-18"
   host: "Cloudflight"
   event_link: "https://community.cncf.io/events/details/cncf-linz-presents-17-cloud-native-computing-linz-meetup-october-18-2022/"
-  registrations: "~20"
-  participants: ""
+  registrations: ""
+  participants: "20"
   talks:
     - title: "Kubernetes, docker, cri-o, containerd, OCI, runC, container - what they are and how they fit together"
       speaker: "Martin Strigl"