added github-handle variable for Bonnie in _projects/vrms.md (#8386)

* added github-handle for Bonnie in vrms

Author: cadenramey

_projects/vrms.md

@@ -7,6 +7,7 @@ alt: 'Volunteer Relationship Management System (VRMS)'
 image-hero: /assets/images/projects/vrms-hero.png
 leadership:
   - name: Bonnie Wolfe
+    github-handle:
     role: Stakeholder Rep
     links:
       slack: 'https://hackforla.slack.com/team/UE1UG1YFP'