ATC Collaborators for August 2023 (#7686)

.asf.yaml

@@ -15,7 +15,7 @@
 # specific language governing permissions and limitations
 # under the License.
 #
-# ATC Collaborators for July 2023
+# ATC Collaborators for August 2023
 # Collaborators are contributors, other than committers, who have had 2 or more Issue-closing Pull Requests merged
 # in the past 31 days. If you want to be an Apache Traffic Control collaborator:
 # 1. Read our contribution guidelines at https://github.com/apache/trafficcontrol/blob/master/CONTRIBUTING.md
@@ -26,7 +26,6 @@
 github:
   collaborators:
   - jagan-parthiban
-  - heneriknguyen
   description: Apache Traffic Control is an Open Source implementation of a Content
     Delivery Network
   enabled_merge_buttons: