Update go version to 1.20.5 to address CVE fixes

saikat-royc · k8s-infra-cherrypick-robot · commit 9226c9282bec · 2023-06-21T16:35:57.000Z
diff --git a/Dockerfile b/Dockerfile
@@ -14,7 +14,7 @@
 
 ARG BUILDPLATFORM
 
-FROM --platform=$BUILDPLATFORM golang:1.20.3 as builder
+FROM --platform=$BUILDPLATFORM golang:1.20.5 as builder
 
 ARG STAGINGVERSION
 ARG TARGETPLATFORM
