Corrected authorship and fixed pdfs

Author: skadesh

talks/_posts/2025-01-24-degoogle.md

@@ -1,6 +1,6 @@
 ---
 title: Spring 2025 Week 2 - Degoogling
-author: Simon Kadesh
+author: Freya Murphy
 layout: post
 slides: 2025-spring-w02-degoogle.pdf
 date: 2025-01-24

talks/_posts/2025-02-14-makefiles.md

@@ -1,6 +1,6 @@
 ---
 title: Spring 2025 Week 5 - Makefiles and the GNU Build System
-author: Simon Kadesh
+author: Tristan Miller
 layout: post
 slides: 2025-spring-w05-makefiles.pdf
 date: 2025-02-14

talks/_posts/2025-02-28-livepatching.md

@@ -1,6 +1,6 @@
 ---
 title: Spring 2025 Week 7 - Kernel Livepatching
-author: Simon Kadesh
+author: Ryan Schanzenbacher
 layout: post
 slides: 2025-spring-w07-livepatching.pdf
 date: 2025-02-28