fix: update go builder version to 1.16

lbscorpio · web-flow · commit ac9886d16aa0 · 2021-10-28T10:39:39.000+08:00
diff --git a/Dockerfile b/Dockerfile
@@ -1,5 +1,5 @@
 # Build the manager binary
-FROM --platform=$BUILDPLATFORM golang:1.15 as builder
+FROM --platform=$BUILDPLATFORM golang:1.16 as builder
 
 WORKDIR /workspace
 # Copy the Go Modules manifests
