fix book link

Author: JustinCappos

personalpages/jcappos/press.htm

@@ -562,7 +562,7 @@ <h3>Quick links</h3>
 
 
 <p><strong>"Open and Secure: Mastering 'Threat Modeling' in Assessing the Security of Open Source Projects"</strong> 
-<a href="https://github.com/cncf/tag-security/blob/main/assessments/Open_and_Secure_Early_Access.pdf">Early Access PDF (free!)</a></br>
+<a href="https://github.com/cncf/tag-security/blob/main/assessments/Open_and_Secure.pdf">Early Access PDF (free!)</a></br>
 by Justin Cappos with Andres Vega (and feedback and support of the CNCF Security Technical Advisory Group)<br/>
 CC-BY 4.0, 2023
 </p>