[CHI-2025] Add link to Annie and Mike slides (#14996)

* [CHI-2025] Add link to Annie's slides

* Update michael-stahnke.md

Author: mattstratton

content/events/2025-chicago/program/annie-hedgpeth.md

@@ -6,6 +6,7 @@ Title = "Firewalls and Friendships: Building a Balanced Professional Network"
 Type = "talk"
 Speakers = ["annie-hedgpeth"]
 sharing_image = "annie-hedgpeth.png"
+slides = "https://prezi.com/view/6CHiu2vHdIt0oXk4bSwN/"
 +++
 ## Abstract
 

content/events/2025-chicago/program/michael-stahnke.md

@@ -6,6 +6,7 @@ Title = "What’s beyond DORA metrics?"
 Type = "talk"
 Speakers = ["michael-stahnke"]
 sharing_image = "michael-stahnke.png"
+speakerdeck = "https://speakerdeck.com/stahnma/whats-beyond-dora-metrics"
 +++
 
 The core metrics for measuring team effectiveness with DevOps have been around quite a while now and they’re a great starting point. What measurements matter after those are established? What should software delivery metrics be telling us?