Update custom words (Azure#22891)

biefy · somerset · aviyerMSFT · commit 643ce4b6d7e7 · 2023-03-22T13:33:27.000-07:00
Co-authored-by: Fuyuan Bie &lt;fuyuan.bie@gmail.com&gt;
diff --git a/custom-words.txt b/custom-words.txt
@@ -979,6 +979,7 @@ Informations
 Informix
 Ingestor
 ingressed
+ingressgateway
 INITIALIAZING
 inittime
 inlinecount
@@ -1032,6 +1033,7 @@ isIdentityCertExprired
 isnullable
 isordered
 issqlcompression
+istio
 istransitioning
 isusernameavailable
 ISVs
