Add @dellagustin as a reviewer

yuhattor · yuhattor · commit 7c3705f2ef91 · 2023-08-03T15:59:54.000+09:00
diff --git a/tooling/authors.md b/tooling/authors.md
@@ -8,3 +8,5 @@
 ## Reviewers
 
 (Chronological order)
+
+- Guilherme Dellagustin ([SAP](https://sap.com/))
