Update href for reliability bastion link

Author: aatsang

articles/bastion/TOC.yml

@@ -93,7 +93,7 @@
       - name: Design architecture
         href: design-architecture.md
       - name: Availability zones and disaster recovery 
-        href: ../reliability/reliability-bastion.md?toc=/azure/bastion/TOC.json
+        href: /azure/reliability/reliability-bastion?toc=/azure/bastion/TOC.json
   - name: Bastion configuration settings
     href: configuration-settings.md
   - name: Work remotely