Add chrisdoherty4 as maintainer

Signed-off-by: Chris Doherty <chris.doherty4@gmail.com>

Author: chrisdoherty4

.github/settings.yml

@@ -4,6 +4,8 @@ collaborators:
   # Maintainers, should also be added to the .github/CODEOWNERS file as owners of this settings.yml file.
   - username: tstromberg
     permission: maintain
+  - username: chrisdoherty4
+    permission: maintain
   # Approvers
   - username: mmlb
     permission: push